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Photo#251973
unknown bee - Andrena principalis - male

unknown bee - Andrena principalis - Male
Aromas, San Benito County, California, USA
January 29, 2009
Size: ~7mm total length.
Seen on Arctostaphylos tomentosa crustacea in our yard. (live oak/chaparral habitat).

Images of this individual: tag all
unknown bee - Andrena principalis - male unknown bee - Andrena principalis - male unknown bee - Andrena principalis - male unknown bee - Andrena principalis - male

Andrena (Erandrena) principalis LaBerge, 1986
The wing venation (crossvein well separated from stigma) rules out the Derandrena

 
Thank you Dr. Ascher
for the species ID. And thank you George Waldren for adding the new page.

 
New guide pages added
-

Andrena male
very likely one of the following Arctostaphylos specialists:

Andrena (Derandrena) arctostaphylae Ribble, 1968
Andrena (Derandrena) vandykei Cockerell, 1936

Andrena (Erandrena) principalis LaBerge, 1986

Very few other Andrena species are active in January in central California.

Please post additional photos if possible

 
Thank you Dr. Ascher
for the genus ID. I've added more images as requested.

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