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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Byrrhoidea » Riffle Beetles (Elmidae) » Elminae » Elmini » Cleptelmis » Cleptelmis addenda
Photo#719393
Elmidae: Cleptelmis or Atractelmis? - Cleptelmis addenda
Copyright © 2012 Joe

Elmidae: Cleptelmis or Atractelmis? - Cleptelmis addenda
Nespelem, Okanagan County, Washington, USA
June 29, 2011
Size: 3.75 mm
This specimen keys to either Cleptelmis or Atractelmis. Circle 'a' indicates the undivided postpleurite of the prothorax. Circle 'b' shows elongate setae along the posterior margin of the sixth abdominal tergite. Through the microscope, these setae appear light colored, and not immediately apparent. Is this specimen Cleptelmis, or Atractelmis?
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Contributed by Joe on 31 October, 2012 - 8:08pm
Last updated 1 November, 2012 - 10:16pm

Moved
Moved from ID Request.

Those setae appear very dark in Atractelmis -- dark enough that we should see most of them even in the photo.
… Brady Richards, 1 November, 2012 - 10:16pm login or register to post comments

 
atractelmis
Thanks Brady. These are Cleptelmis then.
… Joe, 2 November, 2012 - 11:49pm login or register to post comments

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