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Photo#49781
 Crawling Water Beetle - Peltodytes muticus

Crawling Water Beetle - Peltodytes muticus
Assabet River NWR, Middlesex County, Massachusetts, USA
April 27, 2006
Size: 4mm

Images of this individual: tag all
 Crawling Water Beetle - Peltodytes muticus  Crawling Water Beetle - Peltodytes muticus

Haliplidae: Peltodytes muticus
Keys pretty quickly in Downie and Arnett, and looks like ours.

Haliplidae: Peltodytes sp.
Actually Haliplidae, a crawling water beetle. If you photograph the bottom, then often these can be placed to species. Tony submitted one about a week ago, which if I just consulted the key could be placed to species easily. The color pattern at the apex of the metafemora is critical for species placement. Yours looks to be completely dark, which would make it the same species at Tony's

 
More angles
It never flipped upside down in the water, so next time I'll take it out, and shoot it's underside. Thanks Don.

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