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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles (Polyphaga) » Series Cucujiformia » Fungus, Bark, Darkling and Blister Beetles (Tenebrionoidea) » Darkling Beetles (Tenebrionidae) » Pimeliinae » Coniontini » Dune Beetles (Coelus) » Ciliate Dune Beetle (Coelus ciliatus)
Photo#355333
dune beetle - Coelus ciliatus
Copyright © 2009 Joyce Gross

dune beetle - Coelus ciliatus
Ano Nuevo State Park, San Mateo County, California, USA
September 27, 2009
Size: 7-8mm

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dune beetle - Coelus ciliatus dune beetle - Coelus ciliatus dune beetle - Coelus ciliatus dune beetle - Coelus ciliatus dune beetle - Coelus ciliatus
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Contributed by Joyce Gross on 29 November, 2009 - 12:12pm
Last updated 19 February, 2011 - 8:20pm

Moved
Moved from Dune Beetles.
… Joyce Gross, 19 February, 2011 - 8:21pm login or register to post comments

Hi Joyce,
It looks to me like setation of cranium extends all the way to the lateral margins of the labrum, which is diagnostic for Coelus ciliatus:


In C. globosus setation extends only to the frontoclypeal suture:

This is also well illustrated in Doyen's 1976 paper. If you have the time to look at this I'll be happy to send you a PDF.
… Hartmut Wisch, 19 February, 2011 - 6:14pm login or register to post comments

 
Hi Hartmut
Based on what you wrote it does look like Coelus ciliatus. Can you email me the paper? I'll check higher res versions of my photos to have a better look at the setation. Thanks!
… Joyce Gross, 19 February, 2011 - 6:25pm login or register to post comments

 
Done -
Done -
… Hartmut Wisch, 19 February, 2011 - 6:31pm login or register to post comments

 
Thanks!
My photos aren't as clear as yours regarding the cranial setation but I think they are clear enough.... so am moving to Coelus ciliatus.
… Joyce Gross, 19 February, 2011 - 8:19pm login or register to post comments

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