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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » parasitic Apocrita » Braconids and Ichneumons (Ichneumonoidea) » Ichneumon Wasps (Ichneumonidae)
Photo#174155
Pompilid Wasp?
Copyright © 2007 bkleinman

Pompilid Wasp?
Irwin Prairie State Nature Preserve, Ohio, USA
July 1, 2007
Any idea to what genus/species?
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Contributed by bkleinman on 24 March, 2008 - 4:15pm
Last updated 25 March, 2008 - 2:35pm

Borders
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ID - White antennae bands can often mean Ichneumon Wasps (Ichneumonidae), but I don't know if this is the case here.
… John R. Maxwell, 24 March, 2008 - 5:37pm login or register to post comments

 
This is the case here
Another clue, besides white antennal ring, is the large number of antennal segments. Spider wasps females, like most Aculeata, have only 12 of them, but then distinctly longer than on this Ichneumoninae female (a bit like the 7 cervical vertebrae of a giraffe!).
An example of a black species with a distinclty greenish hue, which is rare among Ichneumonidae.
… Richard Vernier, 24 March, 2008 - 9:06pm login or register to post comments

 
Sorry ~ forgot to take border
Sorry ~ forgot to take borders off. I thought Ichneumon as well, but overall shape looks more like Spider Wasp.
… bkleinman, 24 March, 2008 - 5:59pm login or register to post comments

 
Mimicry:-)
Good reason for it to look like a spider wasp. Actually, some female ichneumons in this subfamily 'can' sting, but predators certainly would steer clear of anything resembling a pompilid.
… Eric R. Eaton, 25 March, 2008 - 2:33pm login or register to post comments

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