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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
 
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Photo#195099
HUGE stinger! Bee or wasp?

HUGE stinger! Bee or wasp?
Perry County, Pennsylvania, USA
June 28, 2008
Size: 2 cm
I don't know why, but whenever wasps get chilled their stinger comes out. this amazed me!!! thats a large stinger for such a small wasp!
it was found in my workshop, and was a bold little thing. it kept bumping into my head and almost got stuck in my hair before i caught the sucker. it did not allow for many pics even though it was chilled. anybody know what it is?

Images of this individual: tag all
HUGE stinger! Bee or wasp? HUGE stinger! Bee or wasp? HUGE stinger! Bee or wasp?

Not stinger.
The long, telescoping tube is her "ovipositor," the organ she lays eggs with. These wasps are stingless, but are parasitic on wasps that 'do' sting. When attacked by the host wasp, many cuckoo wasps will roll into a ball, their heavy exoskeleton repelling attempts to bite and sting.

 
cool!
so what kind of wasps do they parasitize? this one was investigating little holes in a piece of wood.

 
Answers
You will find some answers in the info page for the family and related links. I just added a little more.

Chrysididae
It's a cuckoo wasp of some sort. Not sure which species though.
http://bugguide.net/node/view/6946/bgpage

 
Thanks!
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