Willow Grove, Montgomery County, Pennsylvania, USA May 17, 2006 Size: ~5 mm
I hope that the ID is correct. It fell into some soapy water and eventually recovered and flew away ending the photo session.
This one doesn't have a white spot on the face and it seems to have hairier legs for carrying pollen, is it a female? Southeastern PA Hymenoptera Anthophila Apidae Ceratina strenua representative