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For Insects, Spiders & Their Kin
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Photo#29555
Whirligig Beetles - Dineutus discolor

Whirligig Beetles - Dineutus discolor
Erving, Franklin County, Massachusetts, USA
August 25, 2005
Size: 11mm
There were a bunch of Whirligigs swimming around, and a few up on a couple of branches sticking out of the water. I think this is the first time I've seen them out of the water.

D. discolor
The underside is all the same light color. Thanks for noticing these.

 
D. Discolor
I found one of these crawling on the ground, not near water, in Mitchell County, IA August 23, 2009.

..
Probably D. discolor.