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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Byrrhoidea » Long-toed Water Beetles (Dryopidae) » Helichus » Helichus lithophilus
Photo#105780
Long-Toed Water Beetle - Helichus lithophilus
Copyright © 2007 Stephen_WV

Long-Toed Water Beetle - Helichus lithophilus
Near Ruraldale, Upshur County, West Virginia, USA
August 11, 2006
Size: 4.8 mm
Identified to family using several books, and to genus using BugGuide; have I got it right? Two of these showed up at the mercury vapor lamp. One had a very muddy head.
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Contributed by Stephen_WV on 27 April, 2007 - 4:16am
Last updated 15 December, 2017 - 8:54pm

Moved
Moved from Helichus fastigatus.
… Curt Harden, 15 December, 2017 - 8:54pm login or register to post comments

Moved
Moved from Helichus.
… Tim Loh, 7 January, 2010 - 1:48pm login or register to post comments

Helichus fastigatus (Say)
Note bare area just in front of the scutellum, bronzy pubescence and complete 1st elytral stria.
… Tim Loh, 7 January, 2010 - 1:47pm login or register to post comments

 
Are you sure this isn't H. li
Are you sure this isn't H. lithophilus?
… thubbard, 11 November, 2013 - 2:03pm login or register to post comments

 
I agree, this looks more like lithophilus to me.
The apparently silky vestiture seems unique in our fauna to that species.
… Skip Blanchard, 26 August, 2014 - 4:32pm login or register to post comments

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