FAMILY SPHECIDAE (Thread-waisted Wasps)

Hymenoptera-Sphecidae-Chalybion zimmermanni aztecum-Aztec Mud Wasp MALE (F)

Chalybion zimmermanni aztecum

Nogales, Santa Cruz County, Arizona
Coordinates: 31.335269, -110.938018
June 24, 2017
Size: 15 mm (to tip abdomen)
Dozens of these wasps were actively flying around and over the canopy of a Chilean Mesquite tree. They appeared to be a lek.
Determined by Bob Biagi

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