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Photo#286186
Centris (Paracentris) cockerelli  - Centris cockerelli - male

Centris (Paracentris) cockerelli - Centris cockerelli - Male
Anza-Borrego Desert State Park, San Diego County, California, USA
April 23, 2009
Size: BL ~ 11.5 mm
This bee was photographed on Sweetbush on 23 Apr 2009 at Vallecito Ranch. At first I thought it might be a shabbier version of #277296 (Anthophorini) with loss of hair on the throrax. Both bees were flying in and out of the same bushes at the same time on the same date.
However, I can see the wing venation of this bee and it looks like a Centris. Also the size is smaller, only about 11.5 mm (compared to about 16 mm for the Anthophorini). Am I on the right track with wing venation?

Images of this individual: tag all
Centris (Paracentris) cockerelli  - Centris cockerelli - male Centris (Paracentris) cockerelli - Centris cockerelli - male

Interesting hairs of hind leg
I've read that an unusual aspect of many Centris is that they are oil collectors (although this may be less true of the desert species). I wonder is that's part of an explanation for the unusual hairs on the hind tibia here?

Centris (Paracentris) cockerelli
male

Anthophorini come in many sizes, not just large

 
Centris (Paracentris) cockerelli
How wonderful to get this bee to species! Thank you so much, Dr. Ascher!
It's a very interesting identification! I photographed this bee just a minute or two before photographing Ericrosis lata who parasitizes Centris species, and then I photographed the Anthophorini. These shrubs were oasis shrubs, only a small group of three or four, the last of the season with an assortment of insects, only one or a couple of each kind.

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