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Photo#673716
wasp - Diradops bethunei - male

wasp - Diradops bethunei - Male
Cross Plains, Dane County, Wisconsin, USA
July 12, 2012

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wasp - Diradops bethunei - male wasp - Diradops bethunei - male wasp - Diradops bethunei - male

Moved
I should have noticed from the shape of the petiole in this image that this could not be Cryptini.

Moved from Cryptini.

 
Diradops bethunei
Thanks. The genus name just cracks me up.

 
Name
In 1959, a linguist named Pearson Hopper wrote a paper titled The Pronunciation and Derivation of the Names of Genera and Subgenera of the Family Ichneumonidae Found in America North of Mexico, Proceedings of the Entomological Society of Washington 61 (4): 155-172. If I had a copy of this paper, it has been misplaced, and the only thing I have to refer to is the errant scanned version here. Comparing what I read there with the 1978 redescription of the genus by Townes & Townes, I presume the name Diradops to be a Greek name referring to a ridge on the face of species of the genus. That description says: "Face with a median vertical ridge that is often high and conspicuous but sometimes low and rounded."

 
Thanks for the explanation.
Thanks for the explanation.

Moved
At first I thought this might be the male of Lymeon orbus, but in the male of that species the hind tibia is only weakly infuscate apically and the hind coxa has a black mark.

Moved from Ichneumon Wasps.

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