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11.9 km S of Flagstaff, Coconino County, Arizona, USA
April 20, 2012
One of several individuals collected from Formica sp. thatch ant mound in field.

All pics taken with automontage system. Actual montaging done with CombineZP.

Images of this individual: tag all
Staphylinid Staphylinid

thanks, Taro
Moved from Rove Beetles.

Hmm, "Medon" in the heterogen
Hmm, "Medon" in the heterogeneous sense.

I agree
From its appearance and the Formica nest habitat, it's probably an actual Medon, but I'm not willing to really put a name on it without seeing the specimen. And maybe not even then :-(

Yes, I think Margaret and I w
Yes, I think Margaret and I were both hoping it was one of those "myrmecophilous" Medonina genera, but with the wide-spread gular sutures I don't think so. But, there are some Medon species that seem to occur with ants, and if I remember correctly, Casey described some subgenera that he thought might be ant symbionts. Ant mound symbionts appear to readily house "free-living genera" that specialize, so the generic placement shouldn't be discouraging, I think that it may still be a very interesting species!

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