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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Predaceous Diving Beetles (Dytiscidae) » Hydroporinae » Hydroporini » Hydroporina » Neoporus » undulatus-group (Neoporus undulatus-group) » Neoporus undulatus
Photo#175465
Predacious Diving Beetle - Neoporus undulatus
Copyright © 2008 tom murray

Predacious Diving Beetle - Neoporus undulatus
Groton, Middlesex County, Massachusetts, USA
April 3, 2008
Size: 4.5mm

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Predacious Diving Beetle - Neoporus undulatus Predacious Diving Beetle - Neoporus undulatus Predacious Diving Beetle - Neoporus undulatus
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Contributed by tom murray on 4 April, 2008 - 6:31pm
Last updated 11 February, 2009 - 12:17am

Moved
Moved from Neoporus.
… Tim Loh, 11 February, 2009 - 12:17am login or register to post comments

Thanks Pierre-Marc
The UNH site lists 3 species of Neoporus, blanchardi, carolinus, and clypealis. It's probably one of them, and I found pictures here, but I can't tell which one it might be.
… tom murray, 5 April, 2008 - 9:09am login or register to post comments

 
Well, we can forget N. blanch
Well, we can forget N. blanchardi since this species is least than 3.5mm. Cause of the shape of the prothorax and the color of the antennae, I would say that it's probably N. clypealis. But for be sure, we need to check the protarsal claws (if it's a male) ; if both are of the same size, it's N. carolinus, else it's really N.clypealis.
… Pierre-Marc Brousseau, 5 April, 2008 - 10:27am login or register to post comments

Neoporus
Probably a Neoporus sp..
… Pierre-Marc Brousseau, 5 April, 2008 - 8:51am login or register to post comments

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