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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#1239820
Wasp at Barnes Preserve - Megarhyssa atrata
Copyright © 2016 penny7652

Wasp at Barnes Preserve - Megarhyssa atrata
Wooster, Wayne County, Ohio, USA
June 2, 2016
Size: 1.5-2"
10:00 am a wasp like insect with a long ovipositor (4-5") flew past my head and landed on a dead snag. Moved closer and saw 15-20 individual on the bottom 10' of the trunk.
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Contributed by penny7652 on 16 June, 2016 - 12:02am
Last updated 16 June, 2016 - 4:17am

Moved
Moved from ID Request.
… John S. Ascher, 16 June, 2016 - 4:17am login or register to post comments

Megarhyssa atrata? But I'm no
Megarhyssa atrata? But I'm no expert.
… WesleyS, 16 June, 2016 - 12:31am login or register to post comments

 
Yes…
Ovipositing females. Beetle larvae have apparently infested this dead or dying tree, which these females are here to exploit.

See reference here.
… Ross Hill, 16 June, 2016 - 12:38am login or register to post comments

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