Oak Canyon Nature Center, Anaheim, Orange County, CA. 6-12-10. © Ron Hemberger

 Square-headed Wasp

Trypoxylon sp.

Hymenoptera: Crabronidae

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Oak Canyon Nature Center, Anaheim, Orange County, CA. 6-12-10. © Ron Hemberger
Oak Canyon Nature Center, Anaheim, Orange County, CA. 6-12-10. © Ron Hemberger