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7 May Re: ID confirmation [] 6 May ID confirmation [Steven Price ] 05 May Dragonfly workshop - NH [Blair Nikula ] 03 May NH Dragonfly Survey ["alblueheron" ] 02 May 2008 NH Dragonfly Survey ["PAMELA HUNT" ] 29 Apr Re: Photo ID help? [June Tveekrem ] 29 Apr Re: Photo ID help? [June Tveekrem ] 29 Apr Photo ID help? ["bozaremba" ] 29 Apr Photo ID help? ["bozaremba" ] 28 Apr UC NJ Bio-Blitz Brochures uploaded ["Betty Ann Kelly" ] 28 Apr Union County's 4th Annual Bio-Blitz in Partnership w/Kean University ["Betty Ann Kelly" ] 28 Apr first odesin Gill [Lula Field ] 28 Apr Easern Forktail in Longmeadow [] 27 Apr dragons arrive in northern NY [Jan Trybula ] 27 Apr Re: First Dragonfly in NH [Tom Young ] 26 Apr First Dragonfly in NH ["PAMELA HUNT" ] 25 Apr Re: [NEodes] Re: Emergence Triggers [Dennis Paulson ] 25 Apr Re: Re: [Odonata-l] Emergence Triggers [Dennis Paulson ] 25 Apr Teneral Epitheca, Westborough, MA [Lynn Harper ] 25 Apr Re: Emergence Triggers [Paul Brunelle ] 25 Apr Re: [Odonata-l] Emergence Triggers [Paul Brunelle ] 25 Apr Re: photoperiod and emergence ["trybulj" ] 25 Apr Re: Emergence Triggers [Hal White ] 25 Apr Re: [Odonata-l] Emergence Triggers [Hal White ] 25 Apr Emergence Triggers [Paul Brunelle ] 25 Apr Emergence Triggers [Paul Brunelle ] 25 Apr photoperiod and emergence ["John and Sue Gregoire ] 24 Apr RE: Re: Recovery ["Nick and Ailsa Donnelly" ] 24 Apr Re: Re: Recovery [Paul Brunelle ] 24 Apr Re: Re: Recovery [Hal White ] 23 Apr Re: Recovery [Paul Brunelle ] 23 Apr first odes ["John and Sue Gregoire ] 22 Apr Fitchburg [Steven Price ] 22 Apr Re: It's started!! ["Thomas P. Cullen" ] 22 Apr It's started!! [Steven Price ] 28 Mar Re: Re: Left over male after mating ["Paul M. Brunelle" ] 28 Mar Re: Re: Left over male after mating [Hal White ] 27 Mar Re: Re: Left over male after mating [] 28 Mar Re: Left over male after mating ["asiootusloe" ] 27 Mar Re: Left over male after mating [Erik Pilgrim ] 27 Mar Re: Left over male after mating [Dennis Paulson ] 27 Mar Left over male after mating ["asiootusloe" ] 23 Mar Fw: Dragonflies FYI, in case you didn't know..... [LIAUTAUD YVETTE M ] 15 Mar RE: [NEodes] Signs of spring ["Nick and Ailsa Donnelly" ] 14 Mar Signs of spring ["PAMELA HUNT" ] 11 Mar Fwd: Macroscope [Steven Price ] 10 Mar Macroscope [Steven Price ] 06 Mar Corbet Article [Bryan Pfeiffer ] 06 Mar Corbet Article [Bryan Pfeiffer ] 14 Feb Northeast Regional Meeting of the DSA [Bryan Pfeiffer ] 25 Jan FW: NHESP's Small Research Contracts RFP posted [Lynn Harper ] 23 Jan Half price sale on back issues of Odonatologica ["Intl Odonata Research Inst" ] Subject: Re: ID confirmation From: azurebluet AT aol.com Date: Wed, 7 May 2008 11:23:37 EDT I agree that it is a teneral male Eastern Forktail. Best, Ed Lam ************** Wondering what's for Dinner Tonight? Get new twists on family favorites at AOL Food. (http://food.aol.com/dinner-tonight?NCID=aolfod00030000000001) Subject: ID confirmation From: Steven Price <eggshapedcat AT yahoo.com> Date: Tue, 6 May 2008 03:48:15 -0700 (PDT) Hi everyone, I'm pretty certain of the ID, but as the tenerals aren't really covered in my guide I would appreciate any confirmation (or correction). I believe this is a teneral male Eastern Forktail, seen 5-5-08 in Devens, MA. http://picasaweb.google.com/eggshapedcat/Odonates/photo#5197212832002202226 Thanks, Steve Price ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Subject: Dragonfly workshop - NH From: Blair Nikula <odenews AT odenews.org> Date: Mon, 05 May 2008 21:37:32 -0400 Mary Lincoln has asked me to post the following: July 18-20 Michael Blust An Introduction to Odonata ­ Dragonflies & Damselflies This 2-day workshop will provide a thorough introduction to the identification, life history, and ecology of Odonata. Emphasis will be placed on getting to know the adult dragonflies and damselflies found around the High Pond Farm area. With over 150 species recorded in New Hampshire, expect to see and become familiar with at least 30 of these during the weekend. Many of these species are found through the northeastern North America. Activities will include field observation, netting techniques, field identification, and laboratory identification of these primitive yet eminently successful insects. The process of learning to observe, capture and identify these insects will be infused with information about their fascinating adaptations and lifestyles. Fee: $250, includes instruction in field and classroom, two nights lodging and all meals from Friday supper through Sunday lunch. Mike Blust was born and raised in northern New Jersey where it seemed to take too long to get out to the field and rivers for bird watching. A summer job at a mosquito control commission led to a M.S. (Univ. of Delaware) and Ph.D. (Kansas State Univ.) in entomology. Predestined to live where the fields and rivers were accessible, he has been teaching about birds and insects at Green Mountain College, Vermont since 1987. More recently, he has developed a keen interest in Odonata (dragonflies and damselflies) - the "birds" of the insect world, and maintains a website on Odonata of Vermont. High Pond Farm is a 501(c)(3) non-profit organization in Plymouth, New Hampshire whose mission is to provide natural history education for curious adults and professional and amateur naturalists. Please visit our website at http://www.highpondfarm.org/" Blair Nikula 2 Gilbert Lane Harwich Port, MA 02646 USA mailto:odenews AT odenews.org web site: http://www.odenews.org/ Subject: NH Dragonfly Survey From: "alblueheron" <alblueheron AT gmail.com> Date: Sat, 03 May 2008 21:42:37 -0000 Is anyone doing this in CT? I would enjoy participating in such a project, but time constrains me from going far from SouthEastern CT. Please contact me if I can assist in or near New London County. I am a retired field biologist but have worked very little with dragonflies. Al Burchsted Subject: 2008 NH Dragonfly Survey From: "PAMELA HUNT" <biodiva AT verizon.net> Date: Fri, 02 May 2008 10:30:45 -0400 Greetings all, We have scheduled 4 training workshops for the NH Dragonfly Survey this year, as follows: May 23 in Hancock May 24 in Auburn June 2 in Albany June 9 in Epping The goal of these workshops is to familiarize people with dragonfly biology, the goals and protocols of the NH Dragonfly Survey, and (weather permitting!) some hands-on work in the field. Workshops last about 4 hours and occur mostly in the afternoon. A brochure with more details and a registration form is available at the UNH Cooperative Extension website: http://extension.unh.edu/Wildlife/Wildlife.htm. Look in the "What's New" column along the right hand side. New target area this year include southwestern NH and the Lakes Region, while continuing last year's emphasis on southeast NH, and folks from across the border in VT, MA, or ME are more than welcome to sign up and help out! Feel free to contact me at phunt AT nhaudubon.org or 603-224-9909 ext 328 for more information or if you have any questions. The NH Dragonfly Survey is a partnership of NH Audubon, NH Fish and Game, and UNH Cooperative Extension. Think spring! Pam Hunt NH Audubon (but sending this from my home email) Subject: Re: Photo ID help? From: June Tveekrem <damselfly AT southernspreadwing.com> Date: Tue, 29 Apr 2008 12:24:36 -0400 Bo, It looks like you've photographed a teneral (i.e. newly emerged) female forktail. Odonates are extremely difficult to ID when teneral. My best guess is Eastern Forktail. June -- June Tveekrem Columbia, Maryland, U.S. damselfly|AT|southernspreadwing.com http://SouthernSpreadwing.com bozaremba wrote: > Hi, I am new to dragon photography. I took my first two pictures on > 4/26/08 in Williamstown, MA. Are they good enough to identify the > damselfly? > http://www.pbase.com/bo_z/damselflies > Much thanks, B0 Subject: Re: Photo ID help? From: June Tveekrem <damselfly AT southernspreadwing.com> Date: Tue, 29 Apr 2008 12:20:39 -0400 Bo, The link to your photos didn't show up in the email for some reason. I found it in the online archives. Did anyone else on the list have this problem? If so, the link is http://www.pbase.com/bo_z/damselflies June -- June Tveekrem Columbia, Maryland, U.S. damselfly|AT|southernspreadwing.com http://SouthernSpreadwing.com bozaremba wrote: > Hi, I am new to dragon photography. I took my first two pictures on > 4/26/08 in Williamstown, MA. Are they good enough to identify the > damselfly? Much thanks, Bo Subject: Photo ID help? From: "bozaremba" <bozaremba AT comcast.net> Date: Tue, 29 Apr 2008 16:14:54 -0000 Hi, I am new to dragon photography. I took my first two pictures on 4/26/08 in Williamstown, MA. Are they good enough to identify the damselfly? http://www.pbase.com/bo_z/damselflies Much thanks, Bo Subject: Photo ID help? From: "bozaremba" <bozaremba AT comcast.net> Date: Tue, 29 Apr 2008 16:13:30 -0000 Hi, I am new to dragon photography. I took my first two pictures on 4/26/08 in Williamstown, MA. Are they good enough to identify the damselfly? Much thanks, Bo Subject: UC NJ Bio-Blitz Brochures uploaded From: "Betty Ann Kelly" <bkelly AT ucnj.org> Date: Mon, 28 Apr 2008 20:49:53 -0000 Hello All...I neglected in my last message to tell you where our Bio- Blitz will be. We are located in Union County NJ, just about 25 minutes West of NYC... The location for the BB Central Tent (check-in) will be on Kean University's East Campus off Irvington Rd which is off North Ave. in Hillside. The study area spans from Elizabeth through Union & Hillside NJ. I've uploaded a general brochure in the files section as well as a Results brochure from 07. Hope you can join us! -Betty Ann Subject: Union County's 4th Annual Bio-Blitz in Partnership w/Kean University From: "Betty Ann Kelly" <bkelly AT ucnj.org> Date: Mon, 28 Apr 2008 20:41:36 -0000 Dear Neodes members: Here's a unique opportunity for anyone who wishes to take part in a fabulous event! Union County & Kean University are partnering to make this year's Bio-Blitz along the Elizabeth River Parkway a huge success. We hope to gain a snapshot of the 312-acre linear park's bidodiversity over a 24-hour period and to raise awareness in this very urban area about the importance of open space and parkland as habitat and outdoor classrooms! We do this by sending out teams of scientists to collect, identify and survey plants & animals throughout the area. A BB Central Tent will serve as an outdoor lab for scientists and include live specimens as well as hands-on exhibits & displays for the public. Also included will be many workshops & guided walks for the public...all free. All scientists/naturalist who pre-register before May 9, will receive a free t-shirt & continental breakfast & lunch. Contact me AT bkelly AT ucnj.org for more info or to receive a brochure. We need Insect Team members...esp.dragonfly & butterfly experts! (or passionate amateurs) -Betty Ann Kelly, Envl. Specialist, Union County Parks & Community Renewal Subject: first odesin Gill From: Lula Field <lulafield2004 AT yahoo.com> Date: Mon, 28 Apr 2008 11:28:25 -0700 (PDT) To add to the season's firsts, in Gill, MA on 4/24 was a teneral Eastern Forktail & a couple of mature male Anax junius. These are a bit earlier than previous years - is that true for other firsts? Although March & early April were quite cold, the ice went out fast. -Lula Field ABNC, Athol, MA --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. Subject: Easern Forktail in Longmeadow From: jdanielschell AT netscape.net Date: Mon, 28 Apr 2008 01:14:58 -0400 While wandering the Fannie Stebbins Refuge in Longmeadow, MA this afternoon (4/27) in search of Gnatcatchers I found a male Eastern Forktail caught in a spider web. Daniel Schell Holyoke -----Original Message----- From: Lynn Harper To: NEOdes AT yahoogroups.com Sent: Fri, 25 Apr 2008 1:01 pm Subject: [NEodes] Teneral Epitheca, Westborough, MA I had a teneral Epitheca (baskettail sp.) go overhead today while I was sitting outside having lunch here in Westborough, Massachusetts.? Finally, it's really spring! ? Lynn Harper Athol, MA Subject: dragons arrive in northern NY From: Jan Trybula <trybulj AT potsdam.edu> Date: Sun, 27 Apr 2008 14:22:43 -0400 The first /Anax junius/ of the season arrive in northern NY on Friday, the 25th. Sheila Cerwonka, one of the NY Dragonfly and Damselfly Survey volunteers spotted a few flying around ponds near Potsdam, NY. I suppose they've been enjoying the unusually warm spring like the rest of us up here! Jan -- Jan Trybula, Ph.D. Department of Biology SUNY Potsdam 44 Pierrepont Avenue Potsdam NY 13676 office: 205A Stowell Hall email: trybulj AT potsdam.edu phone: 315-267-2258 fax: 315-267-3170 Subject: Re: First Dragonfly in NH From: Tom Young <rustysnaketail AT yahoo.com> Date: Sun, 27 Apr 2008 09:17:20 -0700 (PDT) I had a comparable thrill on Saturday as well: while watching my daughter's soccer game in Merrimack, I saw an A. junius hurtle past and veer upward in pursuit of what I assume was a black fly. The loooooong ode off-season is apparently over--hooray! Tom Young Merrimack, NH PAMELA HUNT wrote: Greetings all, My turn to join in on the "first ode of the season" bandwagon.While out birding this afternoon, I saw a medium-sized dark dragonfly flying over the dirt road I was walking on. It cut to the right and was lost against vegetation, never to be seen again. It was too small and dark for Anax junius, so my best guess is that is was one of the "Tetragoneuria" baskettails. Pam Hunt Penacook, NH --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. Subject: First Dragonfly in NH From: "PAMELA HUNT" <biodiva AT verizon.net> Date: Sat, 26 Apr 2008 17:24:15 -0400 Greetings all, My turn to join in on the "first ode of the season" bandwagon.While out birding this afternoon, I saw a medium-sized dark dragonfly flying over the dirt road I was walking on. It cut to the right and was lost against vegetation, never to be seen again. It was too small and dark for Anax junius, so my best guess is that is was one of the "Tetragoneuria" baskettails. Pam Hunt Penacook, NH Subject: Re: [NEodes] Re: Emergence Triggers From: Dennis Paulson <dennispaulson AT comcast.net> Date: Fri, 25 Apr 2008 16:16:16 -0700 Just to add to Hal's remarks, I reared many individuals of many species in North Carolina (Paulson, D. R., and C. E. Jenner. 1971. Population structure in overwintering larval Odonata in North Carolina in relation to adult flight season. Ecology 52: 96-107.), all under constant temperature and day length longer than that prevailing at the time of collection. All of those collected in last instar during the winter emerged fairly soon after collection. Those collected in earlier instars went on to molt and, in those that molted into the last instar, emerge in the laboratory well before their normal emergence time in nature. I suspect any species will undergo accelerated development in that way. We reared them mostly to identify them so we could determine which species overwintered in which instars, not to distinguish between temperature and photoperiod as factors. Corbet's book includes a table that indicates that both water temps and photoperiod can play a part in the processes that lead to emergence in spring. Dennis On Apr 25, 2008, at 8:19 AM, Hal White wrote: > Paul and others, > > I really would be careful trying to make conclusions about the factors > critical for emergence from nymphs kept inside during the winter in > uncontrolled circumstances. Anecdotally, I too have had emergence much > earlier than in the field. The temperatures were different for a long > time and the photoperiods were quite different as well. Also water > temperatures where the larva live are less variable and slower to > respond than air temperature. > > Corbet is an excellent place to start for anyone wishing to study this > issue systematically for particular species. Clearly, there are many > interesting issues about Odonate biology that warrant further study. > > Hal > > > > . > ----- Dennis Paulson 1724 NE 98 St. Seattle, WA 98115 206-528-1382 dennispaulson AT comcast.net _______________________________________________ Odonata-l mailing list Odonata-l AT listhost.ups.edu https://mailweb.ups.edu/mailman/listinfo/odonata-l Subject: Re: Re: [Odonata-l] Emergence Triggers From: Dennis Paulson <dennispaulson AT comcast.net> Date: Fri, 25 Apr 2008 16:16:16 -0700 Just to add to Hal's remarks, I reared many individuals of many species in North Carolina (Paulson, D. R., and C. E. Jenner. 1971. Population structure in overwintering larval Odonata in North Carolina in relation to adult flight season. Ecology 52: 96-107.), all under constant temperature and day length longer than that prevailing at the time of collection. All of those collected in last instar during the winter emerged fairly soon after collection. Those collected in earlier instars went on to molt and, in those that molted into the last instar, emerge in the laboratory well before their normal emergence time in nature. I suspect any species will undergo accelerated development in that way. We reared them mostly to identify them so we could determine which species overwintered in which instars, not to distinguish between temperature and photoperiod as factors. Corbet's book includes a table that indicates that both water temps and photoperiod can play a part in the processes that lead to emergence in spring. Dennis On Apr 25, 2008, at 8:19 AM, Hal White wrote: > Paul and others, > > I really would be careful trying to make conclusions about the factors > critical for emergence from nymphs kept inside during the winter in > uncontrolled circumstances. Anecdotally, I too have had emergence much > earlier than in the field. The temperatures were different for a long > time and the photoperiods were quite different as well. Also water > temperatures where the larva live are less variable and slower to > respond than air temperature. > > Corbet is an excellent place to start for anyone wishing to study this > issue systematically for particular species. Clearly, there are many > interesting issues about Odonate biology that warrant further study. > > Hal > > > > . > ----- Dennis Paulson 1724 NE 98 St. Seattle, WA 98115 206-528-1382 dennispaulson AT comcast.net Subject: Teneral Epitheca, Westborough, MA From: Lynn Harper <HarperLynn AT msn.com> Date: Fri, 25 Apr 2008 17:01:23 +0000 I had a teneral Epitheca (baskettail sp.) go overhead today while I was sitting outside having lunch here in Westborough, Massachusetts. Finally, it's really spring! Lynn Harper Athol, MA Subject: Re: Emergence Triggers From: Paul Brunelle <pmb AT ns.sympatico.ca> Date: Fri, 25 Apr 2008 12:56:56 -0300 Hal; I quite agree. But I do think there may be some interesting hints to be taken from behavior in captivity, which could then be studied in the natural setting. Another interesting possibility is field captivity such as an enclosure or emergence trap. The latter was quite useful when I was studying N. michaeli. Paul ------------------------------------------------------------------------ ----------- Paul M. Brunelle, BDes, FGDC 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 (about 45°N) 902-423-1845 Fellow of the Society of Graphic Designers of Canada Research Associate, New Brunswick Museum Regional Coordinator, Atlantic Dragonfly Inventory Program Coordinator, Maine Damselfly and Dragonfly Survey ------------------------------------------------------------------------ ----------- >> >>> On Apr 25, 2008, at 12:19 PM, Hal White wrote: >>>> Paul and others, >>>> >>>> I really would be careful trying to make conclusions about the >>>> factors critical for emergence from nymphs kept inside during >>>> the winter in uncontrolled circumstances. Anecdotally, I too >>>> have had emergence much earlier than in the field. The >>>> temperatures were different for a long time and the photoperiods >>>> were quite different as well. Also water temperatures where the >>>> larva live are less variable and slower to respond than air >>>> temperature. >>>> >>>> Corbet is an excellent place to start for anyone wishing to >>>> study this issue systematically for particular species. Clearly, >>>> there are many interesting issues about Odonate biology that >>>> warrant further study. >>>> >>>> Hal >>>>_______________________________________________ Odonata-l mailing list Odonata-l AT listhost.ups.edu https://mailweb.ups.edu/mailman/listinfo/odonata-l Subject: Re: [Odonata-l] Emergence Triggers From: Paul Brunelle <pmb AT ns.sympatico.ca> Date: Fri, 25 Apr 2008 12:56:56 -0300 Hal; I quite agree. But I do think there may be some interesting hints to be taken from behavior in captivity, which could then be studied in the natural setting. Another interesting possibility is field captivity such as an enclosure or emergence trap. The latter was quite useful when I was studying N. michaeli. Paul ------------------------------------------------------------------------ ----------- Paul M. Brunelle, BDes, FGDC 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 (about 45°N) 902-423-1845 Fellow of the Society of Graphic Designers of Canada Research Associate, New Brunswick Museum Regional Coordinator, Atlantic Dragonfly Inventory Program Coordinator, Maine Damselfly and Dragonfly Survey ------------------------------------------------------------------------ ----------- >> >>> On Apr 25, 2008, at 12:19 PM, Hal White wrote: >>>> Paul and others, >>>> >>>> I really would be careful trying to make conclusions about the >>>> factors critical for emergence from nymphs kept inside during >>>> the winter in uncontrolled circumstances. Anecdotally, I too >>>> have had emergence much earlier than in the field. The >>>> temperatures were different for a long time and the photoperiods >>>> were quite different as well. Also water temperatures where the >>>> larva live are less variable and slower to respond than air >>>> temperature. >>>> >>>> Corbet is an excellent place to start for anyone wishing to >>>> study this issue systematically for particular species. Clearly, >>>> there are many interesting issues about Odonate biology that >>>> warrant further study. >>>> >>>> Hal >>>> Subject: Re: photoperiod and emergence From: "trybulj" <trybulj AT potsdam.edu> Date: 25 Apr 2008 11:29:40 -0400 When working with Ladona deplanata in southwestern Ohio a few years back, I tried to determine triggers since they emerged from a pond on different dates over the years. Climate data seemed to show that they emerged about 1 week after there was a at least a two day period with daytime temperatures above 70F. I don't know how general this pattern is, but it worked for that pond. Jan On Apr 25, 2008, at 9:25 AM, John and Sue Gregoire wrote: > This is interesting. We've been watching the emergence pattern of > Celithemis elisa here for several years. They have been emerging in > large numbers over just a few days at the exact same time each year > (within a day or two due to calendar fluctuations) often in adverse > weather conditions such as hard rain, high winds, extreme cold or > heat. We are pretty sure they rely on photoperiod to trigger > emergence, not on water or air temperatures but we are still watching. > > Sue G. > -- > John & Sue Gregoire > Field Ornithologists > Kestrel Haven Avian Migration > Observatory > 5373 Fitzgerald Road > Burdett, NY 14818-9626 > "Conserve & Create HABITAT" > http://home.att.net/~kestrelhaven/ > Jan Trybula, Ph.D. Department of Biology SUNY Potsdam 44 Pierrepont Avenue Potsdam NY 13676 office: 205A Stowell Hall email: trybulj AT potsdam.edu phone: 315-267-2258 fax: 315-267-3170 web: http://www2.potsdam.edu/trybulj/ Jan Trybula, Ph.D. New York Dragonfly and Damselfly Survey Advisory Committee & Northern NY Regional Resource Person Adirondack Biodiversity: ATBI Steering Committee & Odonate leader Department of Biology SUNY Potsdam 44 Pierrepont Avenue Potsdam NY 13676 office: 205A Stowell Hall email: trybulj AT potsdam.edu phone: 315-267-2258 fax: 315-267-3170 web: http://www2.potsdam.edu/trybulj/ Subject: Re: Emergence Triggers From: Hal White <halwhite AT udel.edu> Date: Fri, 25 Apr 2008 11:19:09 -0400 Paul and others, I really would be careful trying to make conclusions about the factors critical for emergence from nymphs kept inside during the winter in uncontrolled circumstances. Anecdotally, I too have had emergence much earlier than in the field. The temperatures were different for a long time and the photoperiods were quite different as well. Also water temperatures where the larva live are less variable and slower to respond than air temperature. Corbet is an excellent place to start for anyone wishing to study this issue systematically for particular species. Clearly, there are many interesting issues about Odonate biology that warrant further study. Hal Paul Brunelle wrote: > Hello All: > This is an interesting string, and quite timely. > I think the matter is probably much more complex than we currently > suspect, and the triggers may differ by species, habitat, and geography. > There are probably more than one trigger per species, depending on > circumstances. Corbet (1999, pg 243 on) has some interesting points, > certainly wish we could still discuss them with Philip. > Regarding Nick's L. parvulus. In small primary streams such as the > species principally inhabits up here, the risk of the water drying up > completely is greater than with any other type of freshwater habitat I > am aware of except puddles, and I expect it could happen very quickly. > When it happens the species might not have to emerge at all in the sense > of deliberately leaving the water; the water just disappears around it > and the species may have evolved the ability to eclose at that point. > Would seem a valuable survival trait. > Date of emergence of some species is very consistent year to year - you > can almost set your calendar by H. brevistylus up here, June 24th ± a > day in mainland Nova Scotia. But that is comparatively late emergence > for the suborder, and the groups which emerge earlier seem to show more > variance by year. Although Ophiogomphids generally emerge towards the > end of the first week of June in southern Maine and New Brunswick, one > year they emerged starting May 22nd. > Consolidating observation of emergence (reared and natural) would make > an interesting projects. I'm not aware of anyone taking emergence > records and consolidating them in a single database, although I believe > Michael May might be doing so for A. junius. > I'd be happy to database such records if sent to me - a couple of years > of records might be very informative, and I've always felt the lack of a > baseline structure for assessing whether a year is 'early' or 'late'. > Perhaps we could work out a protocol and make it a DSA initiative. Or > perhaps someone would like to work towards a paper on the subject. > Regards, > Paul > ----------------------------------------------------------------------------------- > *Paul M. Brunelle, BDes, FGDC* > 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 > (about 45°N) 902-423-1845 > /Fellow of the Society of Graphic Designers of Canada/ > /Research Associate, New Brunswick Museum/ > /Regional Coordinator, Atlantic Dragonfly Inventory Program/ > /Coordinator, Maine Damselfly and Dragonfly Survey/ > ----------------------------------------------------------------------------------- > > > ------------------------------------------------------------------------ > > _______________________________________________ > Odonata-l mailing list > Odonata-l AT listhost.ups.edu > https://mailweb.ups.edu/mailman/listinfo/odonata-l _______________________________________________ Odonata-l mailing list Odonata-l AT listhost.ups.edu https://mailweb.ups.edu/mailman/listinfo/odonata-l Subject: Re: [Odonata-l] Emergence Triggers From: Hal White <halwhite AT udel.edu> Date: Fri, 25 Apr 2008 11:19:09 -0400 Paul and others, I really would be careful trying to make conclusions about the factors critical for emergence from nymphs kept inside during the winter in uncontrolled circumstances. Anecdotally, I too have had emergence much earlier than in the field. The temperatures were different for a long time and the photoperiods were quite different as well. Also water temperatures where the larva live are less variable and slower to respond than air temperature. Corbet is an excellent place to start for anyone wishing to study this issue systematically for particular species. Clearly, there are many interesting issues about Odonate biology that warrant further study. Hal Paul Brunelle wrote: > Hello All: > This is an interesting string, and quite timely. > I think the matter is probably much more complex than we currently > suspect, and the triggers may differ by species, habitat, and geography. > There are probably more than one trigger per species, depending on > circumstances. Corbet (1999, pg 243 on) has some interesting points, > certainly wish we could still discuss them with Philip. > Regarding Nick's L. parvulus. In small primary streams such as the > species principally inhabits up here, the risk of the water drying up > completely is greater than with any other type of freshwater habitat I > am aware of except puddles, and I expect it could happen very quickly. > When it happens the species might not have to emerge at all in the sense > of deliberately leaving the water; the water just disappears around it > and the species may have evolved the ability to eclose at that point. > Would seem a valuable survival trait. > Date of emergence of some species is very consistent year to year - you > can almost set your calendar by H. brevistylus up here, June 24th ± a > day in mainland Nova Scotia. But that is comparatively late emergence > for the suborder, and the groups which emerge earlier seem to show more > variance by year. Although Ophiogomphids generally emerge towards the > end of the first week of June in southern Maine and New Brunswick, one > year they emerged starting May 22nd. > Consolidating observation of emergence (reared and natural) would make > an interesting projects. I'm not aware of anyone taking emergence > records and consolidating them in a single database, although I believe > Michael May might be doing so for A. junius. > I'd be happy to database such records if sent to me - a couple of years > of records might be very informative, and I've always felt the lack of a > baseline structure for assessing whether a year is 'early' or 'late'. > Perhaps we could work out a protocol and make it a DSA initiative. Or > perhaps someone would like to work towards a paper on the subject. > Regards, > Paul > ----------------------------------------------------------------------------------- > *Paul M. Brunelle, BDes, FGDC* > 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 > (about 45°N) 902-423-1845 > /Fellow of the Society of Graphic Designers of Canada/ > /Research Associate, New Brunswick Museum/ > /Regional Coordinator, Atlantic Dragonfly Inventory Program/ > /Coordinator, Maine Damselfly and Dragonfly Survey/ > ----------------------------------------------------------------------------------- > > > ------------------------------------------------------------------------ > > _______________________________________________ > Odonata-l mailing list > Odonata-l AT listhost.ups.edu > https://mailweb.ups.edu/mailman/listinfo/odonata-l Subject: Emergence Triggers From: Paul Brunelle <pmb AT ns.sympatico.ca> Date: Fri, 25 Apr 2008 11:35:40 -0300 Hello All: This is an interesting string, and quite timely. I think the matter is probably much more complex than we currently suspect, and the triggers may differ by species, habitat, and geography. There are probably more than one trigger per species, depending on circumstances. Corbet (1999, pg 243 on) has some interesting points, certainly wish we could still discuss them with Philip. Regarding Nick's L. parvulus. In small primary streams such as the species principally inhabits up here, the risk of the water drying up completely is greater than with any other type of freshwater habitat I am aware of except puddles, and I expect it could happen very quickly. When it happens the species might not have to emerge at all in the sense of deliberately leaving the water; the water just disappears around it and the species may have evolved the ability to eclose at that point. Would seem a valuable survival trait. Date of emergence of some species is very consistent year to year - you can almost set your calendar by H. brevistylus up here, June 24th ± a day in mainland Nova Scotia. But that is comparatively late emergence for the suborder, and the groups which emerge earlier seem to show more variance by year. Although Ophiogomphids generally emerge towards the end of the first week of June in southern Maine and New Brunswick, one year they emerged starting May 22nd. Consolidating observation of emergence (reared and natural) would make an interesting projects. I'm not aware of anyone taking emergence records and consolidating them in a single database, although I believe Michael May might be doing so for A. junius. I'd be happy to database such records if sent to me - a couple of years of records might be very informative, and I've always felt the lack of a baseline structure for assessing whether a year is 'early' or 'late'. Perhaps we could work out a protocol and make it a DSA initiative. Or perhaps someone would like to work towards a paper on the subject. Regards, Paul ------------------------------------------------------------------------ ----------- Paul M. Brunelle, BDes, FGDC 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 (about 45°N) 902-423-1845 Fellow of the Society of Graphic Designers of Canada Research Associate, New Brunswick Museum Regional Coordinator, Atlantic Dragonfly Inventory Program Coordinator, Maine Damselfly and Dragonfly Survey ------------------------------------------------------------------------ -----------_______________________________________________ Odonata-l mailing list Odonata-l AT listhost.ups.edu https://mailweb.ups.edu/mailman/listinfo/odonata-l Subject: Emergence Triggers From: Paul Brunelle <pmb AT ns.sympatico.ca> Date: Fri, 25 Apr 2008 11:35:40 -0300 Hello All: This is an interesting string, and quite timely. I think the matter is probably much more complex than we currently suspect, and the triggers may differ by species, habitat, and geography. There are probably more than one trigger per species, depending on circumstances. Corbet (1999, pg 243 on) has some interesting points, certainly wish we could still discuss them with Philip. Regarding Nick's L. parvulus. In small primary streams such as the species principally inhabits up here, the risk of the water drying up completely is greater than with any other type of freshwater habitat I am aware of except puddles, and I expect it could happen very quickly. When it happens the species might not have to emerge at all in the sense of deliberately leaving the water; the water just disappears around it and the species may have evolved the ability to eclose at that point. Would seem a valuable survival trait. Date of emergence of some species is very consistent year to year - you can almost set your calendar by H. brevistylus up here, June 24th ± a day in mainland Nova Scotia. But that is comparatively late emergence for the suborder, and the groups which emerge earlier seem to show more variance by year. Although Ophiogomphids generally emerge towards the end of the first week of June in southern Maine and New Brunswick, one year they emerged starting May 22nd. Consolidating observation of emergence (reared and natural) would make an interesting projects. I'm not aware of anyone taking emergence records and consolidating them in a single database, although I believe Michael May might be doing so for A. junius. I'd be happy to database such records if sent to me - a couple of years of records might be very informative, and I've always felt the lack of a baseline structure for assessing whether a year is 'early' or 'late'. Perhaps we could work out a protocol and make it a DSA initiative. Or perhaps someone would like to work towards a paper on the subject. Regards, Paul ------------------------------------------------------------------------ ----------- Paul M. Brunelle, BDes, FGDC 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 (about 45°N) 902-423-1845 Fellow of the Society of Graphic Designers of Canada Research Associate, New Brunswick Museum Regional Coordinator, Atlantic Dragonfly Inventory Program Coordinator, Maine Damselfly and Dragonfly Survey ------------------------------------------------------------------------ ----------- Subject: photoperiod and emergence From: "John and Sue Gregoire <khmo AT att.net>" Date: Fri, 25 Apr 2008 13:25:31 +0000 This is interesting. We've been watching the emergence pattern of Celithemis elisa here for several years. They have been emerging in large numbers over just a few days at the exact same time each year (within a day or two due to calendar fluctuations) often in adverse weather conditions such as hard rain, high winds, extreme cold or heat. We are pretty sure they rely on photoperiod to trigger emergence, not on water or air temperatures but we are still watching. Sue G. -- John & Sue Gregoire Field Ornithologists Kestrel Haven Avian Migration Observatory 5373 Fitzgerald Road Burdett, NY 14818-9626 "Conserve & Create HABITAT" http://home.att.net/~kestrelhaven/ Subject: RE: Re: Recovery From: "Nick and Ailsa Donnelly" <tdonelly AT binghamton.edu> Date: Thu, 24 Apr 2008 18:26:55 -0400 Concerning winter emergence, I once had a Lanthus parvulus emerge shortly after the New Year. Evidently it responded to it aquarium drying up. Nick Donnelly _____ From: NEodes AT yahoogroups.com [mailto:NEodes AT yahoogroups.com] On Behalf Of Paul Brunelle Sent: Thursday, April 24, 2008 9:29 AM To: Hal White Cc: NEOdes AT yahoogroups.com Subject: Re: [NEodes] Re: Recovery Hal; The report seemed credible to me (though I was also surprised). Not substantiated though. I have had a number of species (C. s., N. michaeli, B. janata, S. septentrionalis) emerge in captivity in the winter - I presume the photoperiods in the room in which they were kept were substantially different from those in nature in the spring. From that I concluded that water temperature is the main key to emergence for at least some species. Regards, Paul ---------------------------------------------------------------------------- ------- Paul M. Brunelle, BDes, FGDC 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 (about 45°N) 902-423-1845 Fellow of the Society of Graphic Designers of Canada Research Associate, New Brunswick Museum Regional Coordinator, Atlantic Dragonfly Inventory Program Coordinator, Maine Damselfly and Dragonfly Survey ---------------------------------------------------------------------------- ------- On Apr 24, 2008, at 9:32 AM, Hal White wrote: Paul, I am surprised that Cordulia would emerge in NS in January even if the weather were hot. I would have thought that sensitivity to photoperiod would have prevented premature emergence. Do you have independent knowledge that emergence did occur? Even here in the mid-Atlantic region a report of an adult odonate in January or February would be highly unusual. I think there is a January record for Anax junius in New Jersey. Hal Subject: Re: Re: Recovery From: Paul Brunelle <pmb AT ns.sympatico.ca> Date: Thu, 24 Apr 2008 10:29:28 -0300 Hal; The report seemed credible to me (though I was also surprised). Not substantiated though. I have had a number of species (C. s., N. michaeli, B. janata, S. septentrionalis) emerge in captivity in the winter - I presume the photoperiods in the room in which they were kept were substantially different from those in nature in the spring. From that I concluded that water temperature is the main key to emergence for at least some species. Regards, Paul ------------------------------------------------------------------------ ----------- Paul M. Brunelle, BDes, FGDC 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 (about 45°N) 902-423-1845 Fellow of the Society of Graphic Designers of Canada Research Associate, New Brunswick Museum Regional Coordinator, Atlantic Dragonfly Inventory Program Coordinator, Maine Damselfly and Dragonfly Survey ------------------------------------------------------------------------ ----------- On Apr 24, 2008, at 9:32 AM, Hal White wrote: > Paul, I am surprised that Cordulia would emerge in NS in January > even if > the weather were hot. I would have thought that sensitivity to > photoperiod would have prevented premature emergence. Do you have > independent knowledge that emergence did occur? Even here in the > mid-Atlantic region a report of an adult odonate in January or > February > would be highly unusual. I think there is a January record for Anax > junius in New Jersey. Hal Subject: Re: Re: Recovery From: Hal White <halwhite AT udel.edu> Date: Thu, 24 Apr 2008 08:32:05 -0400 Paul, I am surprised that Cordulia would emerge in NS in January even if the weather were hot. I would have thought that sensitivity to photoperiod would have prevented premature emergence. Do you have independent knowledge that emergence did occur? Even here in the mid-Atlantic region a report of an adult odonate in January or February would be highly unusual. I think there is a January record for Anax junius in New Jersey. Hal Paul Brunelle wrote: > > > Hello All: > > When I first started looking at dflies in Nova Scotia, Cordulia > shurtleffii (American Emerald) was by far the species I saw the most. > Then one year in the mid-90s we had a positively hot week in January, > and a few weeks later a friend mentioned seeing dragonflies flying at a > local lake during that hot week. From the description it seemed certain > it was C. shurtleffii. The following week was freezing, and that hatch > must have perished. > The species was quite rare for a number of years after, but eventually > recovered. As the larvae must take more than a year to develop to > emergence only one year's hatch was effected. Developed larvae which > 'miss the boat' in any one year protect a species from being > extinguished by this sort of thing, particularly for species which > develop in a year. > Regards, > Paul > ----------------------------------------------------------------------------------- > *Paul M. Brunelle, BDes, FGDC* > 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 > (about 45°N) 902-423-1845 > /Fellow of the Society of Graphic Designers of Canada/ > /Research Associate, New Brunswick Museum/ > /Regional Coordinator, Atlantic Dragonfly Inventory Program/ > /Coordinator, Maine Damselfly and Dragonfly Survey/ > ----------------------------------------------------------------------------------- > On Apr 23, 2008, at 10:37 AM, John and Sue Gregoire wrote: > >> The first Anax junius showed up here on the 18th. It was such a thrill >> to see them (there were 3). Yesterday we visited the Montezuma >> Wildlife Refuge north of Cayuga Lake, and prowled the wildlife drive >> there. We saw many Anax, several in tandem. They occurred one after >> the other, maybe every 10 yards on average, where there was water. It >> was very sunny, so their green and blue colors really lit up the place. >> >> We have had no rain all month so ponds and streams are already going >> down. Last year was almost as bad early on, with continued drought >> conditions all summer. Temporary ponds dried up long before larvae >> dependent on that environment could emerge. As a result I found no >> species such as Lestes dryas and unguiculatus in this area. This year, >> so far, is looking just as bad or worse. >> >> We're trying to keep optimistic though, and remember that even no data >> is good data. So new situations give rise to new questions, like how >> long will it take for those species to recolonate those ponds? I'm >> hoping our long-term studies of the local ponds will reveal some >> interesting observations regardless. >> >> Hope the rest of you are getting rain. >> >> Sue G. >> John & Sue Gregoire >> Field Ornithologists >> Kestrel Haven Avian Migration >> Observatory >> 5373 Fitzgerald Road >> Burdett, NY 14818-9626 >> "Conserve & Create HABITAT" >> http://home.att.net/~kestrelhaven/ > > > Subject: Re: Recovery From: Paul Brunelle <pmb AT ns.sympatico.ca> Date: Wed, 23 Apr 2008 11:38:41 -0300 Hello All: When I first started looking at dflies in Nova Scotia, Cordulia shurtleffii (American Emerald) was by far the species I saw the most. Then one year in the mid-90s we had a positively hot week in January, and a few weeks later a friend mentioned seeing dragonflies flying at a local lake during that hot week. From the description it seemed certain it was C. shurtleffii. The following week was freezing, and that hatch must have perished. The species was quite rare for a number of years after, but eventually recovered. As the larvae must take more than a year to develop to emergence only one year's hatch was effected. Developed larvae which 'miss the boat' in any one year protect a species from being extinguished by this sort of thing, particularly for species which develop in a year. Regards, Paul ------------------------------------------------------------------------ ----------- Paul M. Brunelle, BDes, FGDC 4 Hilltop Terrace, Dartmouth, NS, Canada, B2Y 3T1 (about 45°N) 902-423-1845 Fellow of the Society of Graphic Designers of Canada Research Associate, New Brunswick Museum Regional Coordinator, Atlantic Dragonfly Inventory Program Coordinator, Maine Damselfly and Dragonfly Survey ------------------------------------------------------------------------ ----------- On Apr 23, 2008, at 10:37 AM, John and Sue Gregoire wrote: > The first Anax junius showed up here on the 18th. It was such a > thrill to see them (there were 3). Yesterday we visited the > Montezuma Wildlife Refuge north of Cayuga Lake, and prowled the > wildlife drive there. We saw many Anax, several in tandem. They > occurred one after the other, maybe every 10 yards on average, > where there was water. It was very sunny, so their green and blue > colors really lit up the place. > > We have had no rain all month so ponds and streams are already > going down. Last year was almost as bad early on, with continued > drought conditions all summer. Temporary ponds dried up long before > larvae dependent on that environment could emerge. As a result I > found no species such as Lestes dryas and unguiculatus in this > area. This year, so far, is looking just as bad or worse. > > We're trying to keep optimistic though, and remember that even no > data is good data. So new situations give rise to new questions, > like how long will it take for those species to recolonate those > ponds? I'm hoping our long-term studies of the local ponds will > reveal some interesting observations regardless. > > Hope the rest of you are getting rain. > > Sue G. > John & Sue Gregoire > Field Ornithologists > Kestrel Haven Avian Migration > Observatory > 5373 Fitzgerald Road > Burdett, NY 14818-9626 > "Conserve & Create HABITAT" > http://home.att.net/~kestrelhaven/ Subject: first odes From: "John and Sue Gregoire <khmo AT att.net>" Date: Wed, 23 Apr 2008 13:37:57 +0000 The first Anax junius showed up here on the 18th. It was such a thrill to see them (there were 3). Yesterday we visited the Montezuma Wildlife Refuge north of Cayuga Lake, and prowled the wildlife drive there. We saw many Anax, several in tandem. They occurred one after the other, maybe every 10 yards on average, where there was water. It was very sunny, so their green and blue colors really lit up the place. We have had no rain all month so ponds and streams are already going down. Last year was almost as bad early on, with continued drought conditions all summer. Temporary ponds dried up long before larvae dependent on that environment could emerge. As a result I found no species such as Lestes dryas and unguiculatus in this area. This year, so far, is looking just as bad or worse. We're trying to keep optimistic though, and remember that even no data is good data. So new situations give rise to new questions, like how long will it take for those species to recolonate those ponds? I'm hoping our long-term studies of the local ponds will reveal some interesting observations regardless. Hope the rest of you are getting rain. Sue G. -- John & Sue Gregoire Field Ornithologists Kestrel Haven Avian Migration Observatory 5373 Fitzgerald Road Burdett, NY 14818-9626 "Conserve & Create HABITAT" http://home.att.net/~kestrelhaven/ Subject: Fitchburg From: Steven Price <eggshapedcat AT yahoo.com> Date: Tue, 22 Apr 2008 06:21:03 -0700 (PDT) Sorry, I forgot to mention the state. I saw the Anax junius in Fitchburg, MA. Sorry for the confusion. Steve ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Subject: Re: It's started!! From: "Thomas P. Cullen" <tc_two AT yahoo.com> Date: Tue, 22 Apr 2008 05:24:35 -0700 (PDT) Good morning. Ode season is also well underway in Suffolk County, Long Island, NY; with sightings (Saturday April 19, 2008) of Green Darners, Anax junius (returning migrants?) at the Otis Pike Preserve (Sand Pit Ponds) and Green Darners and teneral Blue Corporals at the Calverton Ponds preserve managed by The Nature Conservancy in Manorville NY. Large populations of Tiger Beetles, Cicindela repanda repanda were present at both sights also.. The season begins........ Thomas P. Cullen Steven Price wrote: Saw my first Ode of the season yesterday (Monday). A male Common Green Darner (Anax junius) at a small pond in Coggshall Park in Fitchburg late Monday afternoon! Happy Spring! Steve __________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Thomas P. Cullen 516.635.5333 --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. Subject: It's started!! From: Steven Price <eggshapedcat AT yahoo.com> Date: Tue, 22 Apr 2008 05:11:53 -0700 (PDT) Saw my first Ode of the season yesterday (Monday). A male Common Green Darner (Anax junius) at a small pond in Coggshall Park in Fitchburg late Monday afternoon! Happy Spring! Steve ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Subject: Re: Re: Left over male after mating From: "Paul M. Brunelle" <as849 AT chebucto.ns.ca> Date: Fri, 28 Mar 2008 19:25:05 -0300 Hello All; I have several times seen female Chromagrion conditum carrying the complete abdomen of a male - not surprising considering the length of the male claspers in that species. My impression at the time was that the male had been gnawed by a predator without ungripping, which shows some perseverence at the very least. I also noticed, when collecting male Enallagma civile off the water surface of a lake (they had evidently been killed somewhere else and floated to where I was) that the superior claspers 'gripped' in agony. This caused me to mis-determine these civile as carunculatum (which is rare up here) due to parallax obscuring the longer uppper lobe of the cerci when seen from the side. Cordially, Paul Brunelle Subject: Re: Re: Left over male after mating From: Hal White <halwhite AT udel.edu> Date: Fri, 28 Mar 2008 09:39:36 -0400 Meena, The Bick's in a detailed study of Argia apicalis observed six cases of male abdomens attached to females in one summer. They attributed it to predation by Erythemis simplicicollis. Hal Bick, George H. and Bick, Juanda C. (1965) Demography and Behavior of the Damselfly, Argia apicalis (Say), (Odonata: Coenagrionidae) Ecology 46,461-472. Subject: Re: Re: Left over male after mating From: azurebluet AT aol.com Date: Thu, 27 Mar 2008 21:52:52 EDT Hi Meena, I re-uploaded a some pictures of a tandem of Orange Bluets/Enallagma signatum being attacked by a female Elegant Spreadwing/Lestes inaequalis that I took few years ago. The male bluet continues to hold onto the female even while being eaten. http://homepage.mac.com/edlam/features/Lestesinterruptus.html Best to all, Ed Ed Lam Eastchester, NY ************** Create a Home Theater Like the Pros. Watch the video on AOL Home. (http://home.aol.com/diy/home-improvement-eric-stromer?video=15& ncid=aolhom00030000000001) Subject: Re: Left over male after mating From: "asiootusloe" <mmh3 AT cornell.edu> Date: Fri, 28 Mar 2008 00:25:04 -0000 Hi Nick, Erik and Dennis, I wrote to Dennis that I was wrong in presuming that the female ate the rest of the part of male while mating. I had heard the stories that female odonates eat males while mating, but I guess I have not seen any real records or have observed. Is that a myth then? First time I saw a female attached with a male body, I found her very healthy looking and fresh. When I saw her, she was on a plant smacking her lips, meaning cleaning her mandibles and eyes. So I presumed she had eaten the part of the male and was satiated and was cleaning after it. But as everyone suggests it might be predators who took the males. Here are the links to the photos i had taken of the observations I had done in Grand Teton National park. http://picasaweb.google.com/mharibal/WyomingAndColoradoOdonates/photo# 5182580694250948530 http://picasaweb.google.com/mharibal/WyomingAndColoradoOdonates/photo# 5182580573991864226 This particular female was desperately trying to detach the male body by beating it to the sturdy grass stems. You can see the males body is in pieces where she was beating it hard. Even her own wings and body were getting damaged. I really felt sorry for the female. Any more observations? I might compile it in to a list and post it. Thanks Meena -------------------------------------------------------------------- Meena Haribal Cornell Lab Of Ornithology 159, Sapsucker Woods Road Ithaca NY 14850 Phone: 607-254-2148, 607-254-4958 Fax: 607-254-2415, 607-254-2104 webpage: http://www.people.cornell.edu/pages/mmh3/ http://www.geocities.com/asiootusloe/ http://birds.cornell.edu/cayugabirdclub/ Current Loc: 42o 25' 44.48" N, 76o 28' 16.90" W Elev 816 ft or 248.7 m Formerly: 19o 0' 39.22" N, 72o 51' 09.97" E Elev 33 ft or 10m___________________________________________________________________ _________________ > Be a better friend, newshound, and > know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ > Subject: Re: Left over male after mating From: Erik Pilgrim <anisopteran AT yahoo.com> Date: Thu, 27 Mar 2008 15:52:13 -0700 (PDT) I've seen it in Enallagma civile with only the abdomen attached, but I don't think that it was the female that ate the male. I think it was another predator, possibly Erythemis simplicicollis (which were all over the place and are known to eat smaller odonates). Erik Erik Pilgrim Bellbrook, OH anisopteran AT yahoo.com ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Subject: Re: Left over male after mating From: Dennis Paulson <dennispaulson AT comcast.net> Date: Thu, 27 Mar 2008 15:23:34 -0700 Hi, Meena. The phenomenon of a partial male damselfly attached to the thorax of a female with which he mated has been noted by many people, but it probably doesn't represent the female damselfly eating the male. I don't think that would ever have been selected for. More likely, it was some other predator that got the male, and the female escaped. Did the female that you saw actually detach the male? From what I've seen, the male seems to be fixed forever to the female, as his appendages may lock in place. In the ones I have seen, it seemed to me that the male was dead and dried up. I have seen this in Nehalennia irene and once in an Ischnura, I don't recall which species. Dennis On Mar 27, 2008, at 2:00 PM, asiootusloe wrote: > Hi all, > Many of you may have observed that during mating the female eats up > part of her mate and all that is left is male's abdomen attached to > her neck. > I am curious about this. I had an interesting observation last year > where female was beating the left over male body to a grass stem to > detach his body. I have observed only 3 species of damselflies with > male body still attached and only once I have observed the above > behavior. This may not be an uncommon behavior. I did a literature > search (BIOSIS, which goes only to 1964 and of course they don't > abstract from all kinds of journals), I did not come across any > references to such behavior. > > So I am curious to know how often people have observed the male > abdomen attached to female's neck and what species and any other > curious behavior associated with this. I would appreciate your > comments very much. > > Thanks in advance. > Cheers > Meena > Meena Haribal > > . ----- Dennis Paulson 1724 NE 98 St. Seattle, WA 98115 206-528-1382 dennispaulson AT comcast.net Subject: Left over male after mating From: "asiootusloe" <mmh3 AT cornell.edu> Date: Thu, 27 Mar 2008 21:00:53 -0000 Hi all, Many of you may have observed that during mating the female eats up part of her mate and all that is left is male's abdomen attached to her neck. I am curious about this. I had an interesting observation last year where female was beating the left over male body to a grass stem to detach his body. I have observed only 3 species of damselflies with male body still attached and only once I have observed the above behavior. This may not be an uncommon behavior. I did a literature search (BIOSIS, which goes only to 1964 and of course they don't abstract from all kinds of journals), I did not come across any references to such behavior. So I am curious to know how often people have observed the male abdomen attached to female's neck and what species and any other curious behavior associated with this. I would appreciate your comments very much. Thanks in advance. Cheers Meena Meena Haribal Cornell Lab Of Ornithology 159, Sapsucker Woods Road Ithaca NY 14850 Phone: 607-254-2148, 607-254-4958 Fax: 607-254-2415, 607-254-2104 webpage: http://www.people.cornell.edu/pages/mmh3/ http://www.geocities.com/asiootusloe/ http://birds.cornell.edu/cayugabirdclub/ Current Loc: 42o 25' 44.48" N, 76o 28' 16.90" W Elev 816 ft or 248.7 m Formerly: 19o 0' 41,65" N, 72o 51' 13.02" E Elev 33 ft or 10m Subject: Fw: Dragonflies FYI, in case you didn't know..... From: LIAUTAUD YVETTE M <whymlode AT sbcglobal.net> Date: Sun, 23 Mar 2008 17:55:52 -0700 (PDT) Attached are some article about the Hines Emerald, I hope you find the information interesting. ----- Forwarded Message ---- From: Lana Gits To: LAWRENCE GODSON ; alexandra ragland ; LIAUTAUD YVETTE M ; "Bacigalupo, Jan" Sent: Saturday, March 22, 2008 8:27:37 PM Subject: Dragonflies FYI, in case you didn't know..... This came to me from Guy Sternberg, of the International Oak Society.... Note to those of you here in Illinois: we are one of the other two states where this species is (barely) found. Guy S. -------------------------- In a message dated 3/21/2008 11:57:26 AM, W.C. writes: ======================================= Bush Administration Denies Dragonfly Full Endangered Species Act Protection The Hine's emerald dragonfly, with its shimmering, paper-thin wings and brilliant green eyes, is rapidly disappearing from the marshes of the Midwest due to urban and industrial development. Even so, the U.S. Fish and Wildlife Service failed to include 13,000 acres of national forest in its critical habitat designation for the Hine's -- the only federally listed dragonfly in the country. In response, on March 10 the Center for Biological Diversity and allies filed suit challenging the Service's decision to leave out the Michigan and Missouri national forest lands -- an exclusion that effectively robs the species of its most important remaining habitat in two of the four states that remain in its range. Learn more about the Hine's emerald dragonfly and read our press release. Lana Subject: RE: [NEodes] Signs of spring From: "Nick and Ailsa Donnelly" <tdonelly AT binghamton.edu> Date: Sat, 15 Mar 2008 18:20:45 -0400 Stoneflies are cool. Actually they have been out for some time. There are two main flight periods - in the early spring before the birds get here and late in the fall after the birds have left. There are, of course, many during the summer, but the critters seem to be adapted to living when the birds are not abundant and hungry. Nick Donnelly _____ From: NEodes AT yahoogroups.com [mailto:NEodes AT yahoogroups.com] On Behalf Of PAMELA HUNT Sent: Friday, March 14, 2008 3:55 PM To: Northeast Odes Subject: [SPAM][NEodes] Signs of spring OK, it's not an ode, but those of us with interests in the riperian realm will be pleased to learn that I saw my first STONEFLY of 2008 earlier this afternoon. Not being anything near an expert on these critters, all I can say is that it was small and dark, and presumably came from the river 50 feet from my back deck. The odes will follow soon enough... Pam Hunt Penacook, NH Subject: Signs of spring From: "PAMELA HUNT" <biodiva AT verizon.net> Date: Fri, 14 Mar 2008 15:54:35 -0400 OK, it's not an ode, but those of us with interests in the riperian realm will be pleased to learn that I saw my first STONEFLY of 2008 earlier this afternoon. Not being anything near an expert on these critters, all I can say is that it was small and dark, and presumably came from the river 50 feet from my back deck. The odes will follow soon enough... Pam Hunt Penacook, NH Subject: Fwd: Macroscope From: Steven Price <eggshapedcat AT yahoo.com> Date: Tue, 11 Mar 2008 02:03:06 -0700 (PDT) Note: forwarded message attached. Sorry everyone, I meant to say close focus down to 14". ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Hi everyone, The season is almost here. Just in case I'm not the only one who's a little late catching up on the latest goods, I thought I'd share this with everyone. It's an 8 power monocular that close focuses down to 4"! Sounds nice, has anyone tried it? Steve http://www.bhphotovideo.com/c/product/465270-USA/Minox_62206_8x25_MS_Macroscope_Monocular.html ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs Subject: Macroscope From: Steven Price <eggshapedcat AT yahoo.com> Date: Mon, 10 Mar 2008 09:46:30 -0700 (PDT) Hi everyone, The season is almost here. Just in case I'm not the only one who's a little late catching up on the latest goods, I thought I'd share this with everyone. It's an 8 power monocular that close focuses down to 4"! Sounds nice, has anyone tried it? Steve http://www.bhphotovideo.com/c/product/465270-USA/Minox_62206_8x25_MS_Macroscope_Monocular.html ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs Subject: Corbet Article From: Bryan Pfeiffer <Bryan AT WingsEnvironmental.com> Date: Thu, 06 Mar 2008 13:07:25 -0500 Greetings, The Telegraph (UK) today published a lengthy article/obituary on Philip Corbet: http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2008/03/06/db0601.xml Best, Bryan Pfeiffer -- Wings Environmental: www.wingsenvironmental.com Wings Photography: www.wingsphotography.com Vermont Bird Tours: www.vermontbirdtours.com _______________________________________________ Odonata-l mailing list Odonata-l AT listhost.ups.edu https://mailweb.ups.edu/mailman/listinfo/odonata-l Subject: Corbet Article From: Bryan Pfeiffer <Bryan AT WingsEnvironmental.com> Date: Thu, 06 Mar 2008 13:07:25 -0500 Greetings, The Telegraph (UK) today published a lengthy article/obituary on Philip Corbet: http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2008/03/06/db0601.xml Best, Bryan Pfeiffer -- Wings Environmental: www.wingsenvironmental.com Wings Photography: www.wingsphotography.com Vermont Bird Tours: www.vermontbirdtours.com Subject: Northeast Regional Meeting of the DSA From: Bryan Pfeiffer <Bryan AT WingsEnvironmental.com> Date: Thu, 14 Feb 2008 07:03:46 -0500 Northeast Regional Meeting of the DSA In the Northern Adirondacks & St. Lawrence Valley of New York 26-29 June 2008 Organizers: Jan Trybula , Biology Department - SUNY Potsdam, 44 Pierrepont Avenue, Potsdam, NY 13676 Erin White , New York Natural Heritage Program, 625 Broadway, 5th Floor, Albany, NY 12233-4757 Web Site: http://www2.potsdam.edu/trybulj/NEDSA You are invited to come New York to experience early summer on the northern edge of the Adirondack Park. The 2008 Northeast Regional meeting of the DSA will be held in Malone, NY, in Franklin County. Malone is situated between the Adirondack Park and the St. Lawrence River and we will have trips to both these areas. We hope to explore bogs and rocky streams in the Adirondacks as well as the great St. Lawrence itself. Franklin and neighboring counties have over 125 species of odonates - something for everyone! This will be peak time in the region for many species, including various spring Corduliids, five species of Leucorrhinea, three species of Cordulegaster, and numerous Gomphids such as Gomphus borealis, G. descriptus, G. vastus, Ophiogompus anomalus, and O. aspersus. And, if the season holds, we may still be able to find Arigomphus cornutus, which is seen throughout June in Northern New York. Collection data will be forwarded to the NY Dragonfly and Damselfly Survey (NYDDS) and the Adirondack Biodiversity Project (ADK ATBI). Primary lodging will be at the Malone EconoLodge, which is holding a block of rooms until June 13. For reservations, call the EconoLodge at (1-800-607-7449) and mention that you want to reserve one of the rooms held by Trybula for the dragonfly meeting. Seniors, AAA, and AARP members receive 10% off the room rate. If you have any questions, please contact Jan Trybula by email or the address listed above. Also, please let Jan know if you are planning on attending and when you have made your lodging reservations. More information will be posted at the meeting web site: http://www2.potsdam.edu/trybulj/NEDSA -- Subject: FW: NHESP's Small Research Contracts RFP posted From: Lynn Harper <HarperLynn AT msn.com> Date: Fri, 25 Jan 2008 14:13:22 +0000 Hi, everyone, As many of you know, the Massachusetts Natural Heritage & Endangered Species Program funds Small Research Contracts into various biological subjects, including odonates, almost every year. This year, we have funding to conduct ode surveys along the Housatonic River and on several Army Corps of Engineers properties in Massachusetts, as well as work elsewhere targeted at New England Bluet and rare riverine species. This odonate work will include intensive dredging for nymphs and collection of exuviae (well, except for New England Bluet!), with collection of adults a secondary focus (except, again, for New England Bluet). See the email below for details. Please feel free to call or email me to discuss any questions you may have about these possibilities. Lynn Harper Habitat Protection Specialist Natural Heritage & Endangered Species Program Massachusetts Division of Fisheries & Wildlife1 Rabbit Hill Road Westborough, MA 01581 phone: 508-389-6351 email: Lynn.Harper AT state.ma.us From: Woolsey, Henry (FWE)Sent: Thu 1/24/2008 5:12 PMTo: Harper, Lynn (FWE); Subject: NHESP's Small Research Contracts RFP posted The Request for Proposals for our Small Research Contracts Program to conduct field inventories in 2008 has been posted on the Natural Heritage web site under ‘What’s New’ (Quick Links) on the upper right area of the Heritage Home page and under ‘Small Research Contracts’ (link below) under Heritage’s Conservation / Research & Inventory. Application deadline is February 22nd. http://www.mass.gov/dfwele/dfw/nhesp/conservation/research/sm_research_contracts.htm If interested contractors are not already vendors, please have them contact Karen Dolan (at 508, 389-6349 or karen.dolan AT state.ma.us ) for the paperwork needed to become an approved state vendor for biological surveys under the Commonwealth’s Master Service Agreement H251A. This vendor approval process is separate from any specific proposal and we recommend that it be initiated prior to submitting a proposal. Being an approved state vendor will not only facilitate Natural Heritage contracting with them this year if their proposal is selected for funding but also in subsequent years. Please forward this e-mail to interested parties. Subject: Half price sale on back issues of Odonatologica From: "Intl Odonata Research Inst" <iodonata AT bellsouth.net> Date: Wed, 23 Jan 2008 07:02:25 -0500 Dear Odonatist: To make room at the FSCA/IORI collection, I am having a clearance sale on all back issues of Odonotologica (back issues from the beginning till, and including, 2004) Go to the link below and take ˝ off the listed price (except 2005-2007). Email me your list and I will add S&H, Paypal, etc charges Thanks. 1/2 price sale on Odonotologica Also you can check out the other publications, poly and cellophane envelopes on the main web site below. Thanks. Bill Mauffray International Odonata Research Institute PO Box 147100 Gainesville FL 32614-7100 352-219-3141 cell iodonata AT bellsouth.net http://www.iodonata.net