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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Ground Beetles (Carabidae) » Harpalinae » Harpalitae » Flat-horned Ground Beetles (Helluonini) » Flat-horned Ground Beetles (Helluomorphoides) » Helluomorphoides nigripennis
Photo#8710
Flat-horned Ground Beetle - Helluomorphoides nigripennis
Copyright © 2004 Cotinis

Flat-horned Ground Beetle - Helluomorphoides nigripennis
Durham County, North Carolina, USA
May 11, 2004
Size: 10 mm
Length measured at 10 mm. Found at a light. Captured, chilled, and posed. This appears to be a Carabid, Helluomorphoides nigripennis. See guide page for references on identification.

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Flat-horned Ground Beetle - Helluomorphoides nigripennis Flat-horned Ground Beetle - Helluomorphoides nigripennis Flat-horned Ground Beetle - Helluomorphoides nigripennis
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Contributed by Cotinis on 22 November, 2004 - 8:25pm
Last updated 22 February, 2005 - 6:32am

Aha! Perhaps a Carabid?
Thanks for comments. I like the Cucujids, but I don't see any that are close in Dillon (1). Staphylinids also look good, but the elytra are usually even shorter.

Aha! Flipping through references looking at the two families above, I found a photo that is close: Yanega fig. 362 (2), Helluomorphoides. The antennae are very odd for a Carabid--flattened at the ends. That looks correct. Genus is described in several other references. See new guide page for genus and species.

Patrick Coin
Durham, North Carolina
… Cotinis, 23 November, 2004 - 9:28am login or register to post comments

Flat bark beetle?
This reminds me of a flat bark beetle - Cucujidae - for some reason. It's kind of hard to tell from this angle, but this family should be very flat. I'm not at all sure about this though.

(PS- What's that pattern visible on the ground above the bug's right shoulder? A fungus?)
… Joel Kits, 22 November, 2004 - 11:58pm login or register to post comments

 
Odd pattern on ground
That is an odd pattern. This was taken on my sidewalk. I don't know if that is a bit of fungus, or some chemical precipitate in the concrete.

Patrick Coin
Durham, North Carolina
… Cotinis, 23 November, 2004 - 10:21am login or register to post comments

rove beetle?
Is this some kind of Staphylinid maybe?
… Robin McLeod, 22 November, 2004 - 10:02pm login or register to post comments

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