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Photo#296814
Small Cyclocephala - Cyclocephala longula

Small Cyclocephala - Cyclocephala longula
Borrego Springs, San Felipe Valley, San Diego County, California, USA
June 27, 2009
Black light

Moved
Moved from Masked Chafers.

Looks like C. longula to me!
Pretty certain this is going to be longula.

Check out Cyclocephala melanocephala
If its size is about 10.5-16 mm, it's probably this beetle. A very few are usually found together deep in the throat of datura blossoms, and we also have seen the larvae inside the blossoms.

 
No, I don't think so
I've collected c. melanocephala in several places, one of them your desert, and the pronotum is much darker than the elytra in all of them.

This may be C. hirta

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