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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Ground and Water Beetles (Adephaga) » Ground Beetles (Carabidae) » Trechinae » Bembidiini » Tachyina » Elaphropus » subgenus Barytachys (Elaphropus subgenus Barytachys) » Elaphropus anceps
Photo#190269
small ground beetle - Elaphropus anceps
Copyright © 2008 tom murray

small ground beetle - Elaphropus anceps
Groton, Middlesex County, Massachusetts, USA
June 8, 2008
Size: 2mm
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Contributed by tom murray on 12 June, 2008 - 11:21pm
Last updated 11 July, 2008 - 7:38am

Moved
Moved from Elaphropus.
… tom murray, 11 July, 2008 - 7:38am login or register to post comments

Elaphropus anceps
based on my microscopic examination of this specimen. This particular specimen is somewhat atypical in showing a darker forebody as in very similar E. incurvus, but more importantly, it has a slightly sinuate pronotum and longer antennomeres typical of E. anceps. These are subtle features not shown well in this photo. Incidentally, in the same collection event bottle was similar E. granarius but no corresponding photo was submitted for that one. Thanks Tom.
… Peter W. Messer, 10 July, 2008 - 10:12pm login or register to post comments

 
Peter
I posted the picture that I think is E. granarius attached to this one. I didn't originally post it, because it's not in good focus.
… tom murray, 11 July, 2008 - 7:47am login or register to post comments

 
Second (blurry) image
is the Elaphropus granarius I examined under scope. It has shorter plumper elytra that is more unicolorous and a shinier forehead without microscuplture compared to similar species. Thanks Tom.
… Peter W. Messer, 11 July, 2008 - 11:15am login or register to post comments

 
That's great
I'm glad I kept the picture even though it was a bit blurry. These tiny beetles that keep moving aren't always easy to get a good picture of.
… tom murray, 11 July, 2008 - 11:32am login or register to post comments

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