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Scirtidae? - Euscaphurus saltator

Scirtidae? - Euscaphurus saltator
Enumclaw, King County, Washington, USA
December 12, 2011
Size: ~ 4mm
Taken from Berlese trap of cord wood debris... Believe to be Scirtidae marsh beetle.

Images of this individual: tag all
Scirtidae? - Euscaphurus saltator Scirtidae? - Euscaphurus saltator

Moved tentatively
Moved from Euscaphurus.

In fact upon further research with Beetles of the Pacific Northwest Part 3, by M. Hatch, believe it may be terminalus..

Thank both of you for the help...

Moved from Beetles.

Looks like
Eucinetidae: Euscaphurus to me.

Source of ID?
If the ID was made based on the American Beetles key, the couplet there is incorrect. West Coast Nycteus species have the 5th tarsomere longer than the 4th, and will not key to Nycteus. This looks like our specimens of Nycteus infumatus. I have never seen a definitive specimen of Euscaphurus, and cannot evaluate whether the other characters in the key are viable.

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