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Photo#215742
Orange flying insect with yellow stripes has long black injector on its rear - Megarhyssa greenei
Copyright © 2008 pkhonore

Orange flying insect with yellow stripes has long black injector on its rear - Megarhyssa greenei
Racine, Racine County, Wisconsin, USA
August 19, 2008
Size: About 2 inches long
I think it is laying eggs under the tree bark! please help as soon as possible!
Contributed by pkhonore on 19 August, 2008 - 2:14pm
Last updated 19 December, 2009 - 3:35pm

Moved
Moved from Giant Ichneumons.
… Bob Carlson, 19 December, 2009 - 3:35pm

Yes, she's laying eggs
- in horntail larvae living under the bark - so she's doing the tree a favor. Giant Ichneumon wasp, see genus Megarhyssa for info.

Specifically, looks like this one (to me):

… Hannah Nendick-Mason, 19 August, 2008 - 2:28pm

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