Subject: Freaked out mom
Location: Maryland/Pennsylvania
August 11, 2014 3:03 pm
Found this bug up at grandpas farm. Wondering what it is worried if it stings the kids. Found it a few weeks ago hanging around the dead walnut tree.
Signature: Concerned

Stump Stabber laying eggs

Stump Stabber laying eggs

Dear Concerned,
This is a female Ichneumon in the genus Megarhyssa, commonly called a Stump Stabber.  She is in the process of laying eggs.  Stump Stabbers are not aggressive towards humans.  The eggs layed beneath the bark will parasitize the larvae of Wood Wasps that are feeding on the dead or dying tree.

Location: Maryland

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