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Megachilid "nectar robbing" Cordylanthus - Megachile - Female
North of Cone Peak, Los Padres National Forest, Monterey County, California, USA
August 8, 2009
I think this may be a different individual than in this post. It appears to be acting as a "nectar thief", digging into the base of the flower from the outside to reach a nectar-reward...rather than entering from "the front", where it might collect and deposit pollen and effect fertilization beneficial to the plant.

Photographed on flowers of the native annual Cordylanthus rigidus ssp. rigidus. Found along ridgetop trail at ~4600', north of Cone Peak and less than four miles (as the crow flies) from the Pacific Ocean. In rocky chaparral area, with conifers and oaks in surrounding environs.

I'm pretty sure this is a megachilid (scopa on bottom of abdomen, two submarginal cells).

Images of this individual: tag all
Megachilid Megachilid

Moved from ID Request.

female leaf-cutter

Thanks, John

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