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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Parasitica" - Parasitoid Wasps » Braconid and Ichneumonid Wasps (Ichneumonoidea) » Ichneumonid Wasps (Ichneumonidae) » Rhyssinae » Giant Ichneumonid Wasps (Megarhyssa) » Black Giant Ichneumonid Wasp (Megarhyssa atrata)
Photo#117974
Ichneumon Wasp - Megarhyssa atrata - male
Copyright © 2007 Ilona L.

Ichneumon Wasp - Megarhyssa atrata - Male
Cross Plains, Dane County, Wisconsin, USA
June 11, 2007
Size: ~30-40mm
Is this an Ichneumonid wasp? These insects are quite wary and I am almost never able to get close to them to take photos.
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Contributed by Ilona L. on 13 June, 2007 - 12:30pm
Last updated 11 December, 2010 - 9:11pm

Moved
Moved from Giant Ichneumons.
… Bob Carlson, 19 December, 2009 - 3:14pm login or register to post comments

Other Ichneumons
Yes, there are other Ichneumons around but so far I've not been able to get photos of some of the larger ones. Someday...
… Ilona L., 13 June, 2007 - 10:45pm login or register to post comments

Moved
Moved from Ants, Bees, Wasps and Sawflies.
… Ilona L., 13 June, 2007 - 10:38pm login or register to post comments

At that size,
it seems this must be a male Megarhyssa. Any females around? Check in the guide here, specifically something like and where Patrick points out we may not be able to identify the males to species without a female present.
… john and jane balaban, 13 June, 2007 - 2:25pm login or register to post comments

 
Yes.
Just confirming this image is a male Megarhyssa. Nice work!
… Eric R. Eaton, 13 June, 2007 - 3:29pm login or register to post comments

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