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Unknown Carrion Beetle - Philolithus sordidus

Unknown Carrion Beetle - Philolithus sordidus
Ulm, First Peoples Buffalo Jump State Park County, Montana, USA
October 22, 2009
Size: ~ 5/8" long
From your website and others, I'm pretty sure this is a Carrion Beetle, but I've not been able to narrow it down any further. Any assistance will be appreciated.

Moved from Asidini.

Fits the description
of Glyptasida sordida (LeConte 1853); ID confirmed by Stephanie Lockwood who (with Darren Pollock) reviewed and redescribed the genus Glyptasida (Zootaxa 2023: 1-27, 2009). See also INFO page.

Moved from ID Request.

I have cropped your photo
to make it easier to see. Only editors and you can see the enlarged version. Please zoom in or cropp for your next posts.

Darkling, not Carrion
Start here

Looks like something in the genus, Philolonthus.

I assume you mean Philolithus, which it may well be - we've got some good Teneb folks on the site. As far as I know Philolonthus is still valid for Staphylinidae.

Beetle ID
Thanks for your feedback. My beetle does more closely resemble the Philolithus photos on the site than anything else I've seen.

There are others
in the same subfamily (Pimeliinae) that look roughly similar, i.e. some Glyptasida, but it might be another genus.

Unknown Beetle
It looks to me like you've nailed it. The photos under Glyptasida seem to be a very close match. Color differences may just be matters of light balance. Mine was taken on a bright but cloudy day.

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