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Megarhyssa atrata

Posted by August 23rd, 2005 at 12:00 am

Categories

Ichneumons

Flying Insect
Dear Bugman,
I found this insect on a dead tree stump. It is quite large with the dual black tail at least 3" long. The bug itself flies, somewhat laboriously, and its body is about 2" long. I found more than one and they seem to be trying to attract a mate. They are sticking their tail into a 1/8" hole while puffing out some device on the end of their tails. The head sure looks like some kind of wasp but I see no stingers. Any ideas?
GF

megarhyssa atrata gf Megarhyssa atrata

Hi GF,
Awesome photo of a female Megarhyssa atrata, the Giant Ichneumon, laying her eggs. She uses that long ovipositor to deposit eggs deep inside trees that are infested with wood boring insects. The eggs hatch and the larvae eat the grubs that are eating the wood.

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