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Photo#365215
beetle - Etorofus plebejus

beetle - Etorofus plebejus
Cross Plains, Dane County, Wisconsin, USA
July 8, 2008
Looks like a wedge-shaped beetle but I didn't find any with this single color.

i'm sure this is it -- great call guys; will ask Doug to check
surprisingly, a rarely photographed one -- or just rarely posted? looks so damn generic...

Moved from Beetles.

Cerambycidae: Lepturinae
*

 
Agree, Lepturinae
It looks like Leptura plebeja in Yanega's Northeastern Longhorned Beetles, but I'm no cerambycid expert. Leptura spp. do appear to have long tibial spurs in Yanega's photos.

 
Yes, they do,
as this photo illustrates:



Obviously I overlooked that genus. (And, just as obviously, erred in referring to "tarsal" rather then "tibial"spurs.) Many thanks for the correction and enlightenment!

 
Doug Yanega says,
"almost certainly the black form of plebeja; the angle is not ideal, but it looks as if the humeral angle bulges rather than forming a relatively even convexity with the pronotum. It does overall look broader and duller, as well.
"206932 and 864471 both look much more like lugubris; too bad there's no scale bar - the size difference between these species is pretty significant."
the last paragraph refers[thumb:] to these:

 
That's what I was thinking...
but I didn't see any Lepturines with such large tarsal spines.

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