[NatureNS] Odonates at Belchers Marsh

Date: Sun, 28 Jun 2009 16:21:55 -0300
From: Bob McDonald <bobathome@hfx.eastlink.ca>
To: naturens@chebucto.ns.ca
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Hello,

Last Friday afternoon, I took a quick walk around Belchers Marsh, a local 
wetland located on Parkland Drive in Clayton Park West.  I was focussed on 
new flowering plants and odonates.
There were a lot of damsels and dragonflies about, including one species 
which I had never seen previously (and thought that I'd never see!).  These 
included:

 - White Corporal (Libellula exusta)
 - Four-spotted Skimmer (L. quadrimaculata)
 - Hudsonian Whiteface (Leucorrhinia hudsonica)
 - Elfin Skimmer (Nannothemis bella)!!!

The latter species has to be seen to be believed!!  I didn't carry my field 
guide with me but its diminutive size is distinctive.  I only really noticed 
the female of the species due to its bee-like appearance but I'm pretty sure 
that there were some males around.  In the field, I guesstimated the size to 
be ~2 cm which is fairly close to that given in the field guide.  According 
to my Mass. field guide, the Elfin Skimmer is the smallest dragonfly in 
North America!  All of the damsels seen on Friday were larger than this 
species!!  Fascinating.....

Cheers,

Bob McDonald
bobathome@eastlink.ca

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