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Micropeplus  - Megarthrus

Micropeplus - Megarthrus
Enumclaw, King County, Washington, USA
March 22, 2012
Size: ~ 2 mm
Taken from berlese trap, debris from around stump base. Maybe another Micropeplus tesserula, seems throax shape especially lower outside edges different?

pale M. pictus?
Is it just me, or does this just look like a very pale M. pictus that shows some of the characteristic color pattern?
I checked Cuccodoro and Lobl's 1996 revision and this species is the only one that's yellow-brown or testaceous in color.

nah... Micropeplus are all costate, with nontranslucent armor
Moved from Micropeplus.

Thank you V
and yes I do see what you mean...thanks again.

anytime... they also have those striking capitate antennae...
...and used to be treated in Nitidulidae (of all places!) because of that

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