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Latriid - Latridius minutus

Latriid - Latridius minutus
Purdue Wildlife Area, Tippecanoe County, Indiana, USA
September 15, 2007
Size: ~ 1.5 to 1.75 mm
Taken with Lindgren funnel trap.

I believe I have the family right. Any help with genus?

Images of this individual: tag all
Latriid - Latridius minutus Latriid - Latridius minutus


Looks like
. . . a member of the L.minutus group - but it is true, Latridiids are difficult by photo even on genus level.

I think
I think both of you are right, this is L. minutus.

Enicmus or Latridius?
From the top I can't tell which. That's also really small! Most of mine in both genera are more like 1.8 mm. The key in American beetles says to check the prosternal process. Keeled and raised above coxa in Enicmus.
Actually D&A say "Dienerella minutus" which I think is now Latridius minutus can be 1.2 mm although with a big range-I have a specimen at 1.6mm.

I rechecked the size and it is more like 1.5 mm to 1.75 mm. The prosternal process seems to be more even with the procoxae and is not obviously keeled or raised above the level of the coxae. I'll have to look for more material to compare against so I can figure out the necessary characters.

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