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Photo#165087
winter rove beetle - Boreaphilus hennigianus

winter rove beetle - Boreaphilus hennigianus
Groton, Middlesex County, Massachusetts, USA
January 13, 2008
Size: 3.3mm
Found this and several other rove beetles out walking around on the ice of a frozen swamp. The primary vegetation was cattails, with a few winterberry and purple loostrife.

Different look same species
Well, at least I saved it for you this time. Thanks Don.

Boreaphilus hennigianus
A big one with color pattern a bit different, but clearly this species. Always a good catch.

 
placing to coryphiini...
Hi, I was wondering if the "pair of small whitish or greyish patches of wing-folding spicules" is obvious or present in this genus? I have a specimen that I believe to fit here, but when keying with American Beetles, the step to get to Coryphiini requires these spots to be "ALWAYS" present. Yet since I can't see them in these photos, I was wondering if Boreaphilus and others may be exceptions to this rule???

Reminds
me of Borea*philus, but doesn't look quite right. Save, please.

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