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Index of Subjects This is a multi-part message in MIME format. ------=_NextPart_000_002E_01CB2E47.3EFACA50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Your query provoked some very interesting comments from David = McCorquodale, Eleanor. Many of us learned something. i will add that these 'beasties' have very formidable pincer-like jaws = which are folded beneath the head and are capable of extending to = capture prey, my wife and I learned this when we found one of our small = goldfish swimming erratically and obviously in trouble.....Turning it = over with a stick we discovered it was firmly in the grip of a dragonfly = nymph, and subsequently died. Andy and Lelia Dean 86 Baden Powell Drive Kentville, N.S. (902) 678-6243 ----- Original Message -----=20 From: Eleanor Lindsay=20 To: naturens@chebucto.ns.ca=20 Sent: Wednesday, July 28, 2010 10:11 AM Subject: [NatureNS] Id help needed! My thanks to so many of you for your interest and offers of help in = this. I am including the first (and most helpful) response from David = McCorquodale, Biology Department, Cape Breton University: This is the exuvia of a recently emerged dragonfly. When they emerge=20 from the water they shed the exoskeleton and these sometimes last for=20 days or even weeks on the vegetation where they emerge. It has not=20 moved because it is an empty shell of the former dragonfly larva.=20 For some dragonflies surveys of the exuviae are the best way to figure = out what species live in the water body and to monitor populations. I = have sent it to a dragonfly expert, Denis Doucet, to see if he can = give=20 a better identification than dragonfly.=20 Eleanor Lindsay =20 (It is impressive that such a solid looking shell continues to cling = in such a lifelike manner to the leaf blade - but at least now I no = longer need to worry about the welfare of what I am seeing!)=20 ------=_NextPart_000_002E_01CB2E47.3EFACA50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content=3D"text/html; charset=3Diso-8859-1" = http-equiv=3DContent-Type> <META name=3DGENERATOR content=3D"MSHTML 8.00.6001.18928"> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff text=3D#000000> <DIV> <DIV><FONT face=3DArial><FONT size=3D4><STRONG>Your query provoked some = very=20 interesting comments from <FONT face=3DHelvetica> David = McCorquodale,=20 Eleanor. Many of us learned=20 something.</FONT></STRONG></FONT></FONT></DIV> <DIV><STRONG><FONT size=3D4 face=3DHelvetica>i will add that these = 'beasties' have=20 very formidable pincer-like jaws which are folded beneath the head and = are=20 capable of extending to capture prey, my wife and I learned = this when=20 we found one of our small goldfish swimming erratically and obviously in = trouble.....Turning it over with a stick we discovered it was firmly in = the grip=20 of a dragonfly nymph, and subsequently died.</FONT></STRONG></DIV> <DIV><STRONG><FONT size=3D4 = face=3DHelvetica></FONT></STRONG> </DIV> <DIV><FONT size=3D2 face=3DArial>Andy and Lelia Dean<BR>86 Baden Powell=20 Drive<BR>Kentville, N.S.<BR>(902) 678-6243<BR></FONT></DIV></DIV> <BLOCKQUOTE=20 style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; = PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> <DIV=20 style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: = black"><B>From:</B>=20 <A title=3Dkelindsay@eastlink.ca = href=3D"mailto:kelindsay@eastlink.ca">Eleanor=20 Lindsay</A> </DIV> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A = title=3Dnaturens@chebucto.ns.ca=20 href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</A> = </DIV> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Wednesday, July 28, 2010 = 10:11=20 AM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [NatureNS] Id help = needed!</DIV> <DIV><BR></DIV><FONT face=3D"Helvetica, Arial, sans-serif">My thanks = to so many=20 of you for your interest and offers of help in this.<BR><BR>I am = including the=20 first (and most helpful) response from David McCorquodale, Biology = Department,=20 Cape Breton University:<BR><BR></FONT>This is the exuvia of a recently = emerged=20 dragonfly. When they emerge <BR>from the water they shed the = exoskeleton=20 and these sometimes last for <BR>days or even weeks on the vegetation = where=20 they emerge. It has not <BR>moved because it is an empty shell = of the=20 former dragonfly larva. <BR><BR>For some dragonflies surveys of the = exuviae=20 are the best way to figure <BR>out what species live in the water body = and to=20 monitor populations. I <BR>have sent it to a dragonfly expert, = Denis=20 Doucet, to see if he can give <BR>a better identification than = dragonfly.=20 <BR><BR><FONT face=3D"Helvetica, Arial, sans-serif">Eleanor = Lindsay =20 <BR>(It is impressive that such a solid looking shell continues to = cling in=20 such a lifelike manner to the leaf blade - but at least now I no = longer=20 need to worry about the welfare of what I am seeing!)</FONT>=20 <BR></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_002E_01CB2E47.3EFACA50--
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