Calliopsis
Vinton, El Paso County, Texas
September 3, 2015
Size: 0.5 cm
Found by sweeping weeds
Determined by John S. Ascher
These bees were swarming on flowers of Physalis sp., probably P. acutifolia. They were abundant and fast.
Hymenoptera-Andrenidae-Calliopsis-Subgenus Hypomacrotera-Mining Bees (A)
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