Hylaeus sp.? - Hylaeus
Hwy. 41, west of Atascadero, San Luis Obispo County, California, USA
August 25, 2013
Size: about 4mm
These were fairly common at this location, but the face shield yellow is different from others similar to this we have photographed in other places. This location is at about 1300 feet elevation. Any help with ID will be greatly appreciated!