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Photo#91149
scarab - Cinacanthus militaris

scarab - Cinacanthus militaris
Golden Gate National Recreation Area, Marin County, California, USA
July 16, 2006
Size: 5mm
This one was walking at the edge of the beach.

Images of this individual: tag all
scarab - Cinacanthus militaris scarab - Cinacanthus militaris scarab - Cinacanthus militaris

Moved
several spp., but looks right. Your additional photos helped.

query
is the clypeus dentate? I think I see two teeth.

 
looks like yes
I loaded two close-ups just now so you can have a better look.

Moved
Moved from Aphodius.

Moved
Moved from Scarab Beetles. Genus is easy, but there are many spp. in CA and I don't recognize this off hand. In this vicinity, you also have the introduced Australaphodius frenchi - cold adapted, in Horse dung.

See this paper for details, including specific locale;
Dellacasa, M., R.D. Gordon, P.J. Harpootlian, Z. Stebnicka, and G. Dellacasa. 2002. Systematic redefinition of the New World Didactyliini (Coleoptera: Scarabaeidae: Aphodiinae) with descriptions of two new species of Aidophus Balthasar. Insecta Mundi 15(4):193-216 [2001].

As always, great shot!

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