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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) » Rhyssinae » Giant Ichneumons (Megarhyssa) » Megarhyssa macrurus
Photo#35568
New here and loving it! - Megarhyssa macrurus
Copyright © 2005 Gary Hibben

New here and loving it! - Megarhyssa macrurus
Black Hawk County, Iowa, USA
June 10, 2005
Size: 2 in.
New here and loving it! These fellas seem to have bored into this elm log. They would not hold still long enough for me to get a good pic from the side. I'm real curious to learn more about them. Seen about a dozen of them for couple weeks

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New here and loving it! - Megarhyssa macrurus New here and loving it! - Megarhyssa macrurus
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Contributed by Gary Hibben on 26 October, 2005 - 9:09pm
Last updated 23 October, 2006 - 5:26pm

Moved
Moved from Orange and Brown.
… john and jane balaban, 23 October, 2006 - 5:26pm login or register to post comments

Looks like
a Giant Ichneumon. Check out the pictures in the guide.
These are females trying to find larva inside the wood to lay their eggs on.
… tom murray, 26 October, 2005 - 9:54pm login or register to post comments

 
Laying eggs
Yes, and note that behind the wasp is what appears to be the ovipositor of another female, engaged in laying eggs.

Wonder if this species really drills a hole that large for the ovipositor, or if (more likely) it has found an exisitng hole that leads to an insect larva.

--Stephen

Stephen Cresswell
Buckhannon, WV
www.stephencresswell.com
… Stephen Cresswell, 27 October, 2005 - 6:24am login or register to post comments

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