[Odonata-l] effect of rain on ode numbers?

[Kathy &/or Dave Biggs]

This is all very interesting.
I'm wondering how long a dragonfly can live without food.
I know that the headless ones where I've accidently knocked the head off 
with my net rim, can live at least 3 days without food. At that point 
I've despaired and put them in the acetone. Anyone kept one until it died?
Cheers!!
Kathy Biggs

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Paul M. Brunelle wrote:

>Hello All;
>	I suspect rain (and the frequently attendant high wings up here in  
>the Maritimes) does cause mortality in odonates - perhaps leaving  
>them vulnerable to birds and other warm-blooded predators, or perhaps  
>just weakening them by preventing them from feeding for extended  
>periods.
>	A related issue is that only two species I am familiar with in  
>Acadia actually continue their activities in rain, at least light to  
>moderate rain without heavy winds.
>	Aeshna eremita seems indifferent to light to moderate rain -  
>continuing feeding and ovipositing.
>	Basiaeshna janata males continue to forage and to look for females -  
>I have seen a male frantically moving from one raindrop ripple to the  
>next on a lake surface - presumably interpreting each as a possible  
>laying female
>	Cordially,
>	Paul
>
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