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Wasps? - Chelonus

Wasps? - Chelonus
Antelope Island, Davis County, Utah, USA
September 13, 2009

Images of this individual: tag all
Wasps? - Chelonus Wasps? - Chelonus

Moved from Cheloninae.

Moved from ID Request.

Thanks, "v"...
Any idea on why they're all grouped together feeding? Is this normal?

Roosting? Lekking?
You found a very interesting behavior. Perhaps they are not feeding but waiting for females (lekking?). I am interested on male Hymenoptera roosting behavior and have compiled all the cases that I have found in Bugguide; but this is the first time that I see a parasitic wasp doing it. Besides, I don't even know if these are males or females or both. However there is an article on Aggregation in Chelonus that may throw a little light on this.
I wish I knew more about this.

After posting these photos, I also found some information about aggregation in Chelonus. Judging from this group's strange behavior, I think maybe they are waiting around for the females. Whatever it was all about, I found it fascinating. I hope I get lucky enough to see it again so I can investigate a little further and maybe get better photos. Thanks, Beatriz, for your interest.

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