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Photo#823815
Berosus moerens Sharp - Berosus moerens

Berosus moerens Sharp - Berosus moerens
Montosa Canyon, Santa Rita Mountains, Santa Cruz County, Arizona, USA
July 26, 2013
Det. Brady Richards, 2013

coll'ed beating/sweeping, spmn to be deposited into TAMUIC

BugGuide Gathering_2013

Moved
Moved from Berosus.

Interesting
Looks like B. moerens Sharp, as illustrated in Van Tassell (1963). I haven't dug into the Berosus literature for quite some time, so I'm not sure whether that's a good name or not. There is a key in the paper below with illustrations for several related species.

Van Tassell, E. R. 1963. A new Berosus from Arizona, with a key to the Arizona species (Coleoptera: Hydrophilidae). Coleopterists Bulletin 17(1):1-5.

 
B. moerens Sharp is still valid
Will look into the paper when dust settles. Thanks much!

 
Neat beetle
Neat beetle, whether it is that species or another. When I first saw the photo, I was hoping it might be Hemiosus, as I've yet to see one of those. I've done a lot of dip-netting in Cochise County, but not in Santa Cruz Co. I've always meant to check out Pena Blanca Lake. I may be down that way next month, so maybe I'll try my luck.

If you need a PDF of the Van Tassel paper, let me know.

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