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Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

Roosting male bees and wasps (Hymenoptera)

It seems that we have a collection of aggregations of sleeping bees in Bugguide. I have a picture of two sleeping carpenter bees that I never thought of submitting to Bugguide; maybe I will.
I am sure that there are more pictures and I would like to see them. I would also want to know more about this behavior. I understand that there is an aggregation pheromone.



There are also some images of aggregations of wasps.


And here is a group of Braconids


Not quite an article but it eventually may become one so it is better to keep it here.

Update, 8/5/2010: A few interesting observations on roosting insects

Sleeping aggregations of Idiomelissodes duplocincta
In a desert garden. Observations on aggregations of sleeping Idiomelissodes duplocincta males. Pages 83 and following
http://www.stri.si.edu/sites/publications/PDFs/Wcislo%20(2003)JKES.pdf

Very Interesting indeed!
Here are some Ammophila roosting groups that I came across - males I suppose?

Along those lines
Here is a similar situation I found last summer. The group, upwards of 20 or more, used to same flap of bark on an old wood fence for a number of weeks.

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Roosting insects
Here's an article I came across that discusses insect roosting in general. I don't remember how much it talks about roosting in male Hymenoptera in particular.

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