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Photo#931822
Spider Killer - Pison

Spider Killer - Pison
Santa Cruz, Santa Cruz County, California, USA
June 3, 2014
This wasp was able fly with the spider in its clutches. I can't tell if this is a male. I imagine the males can take spiders if that is what they eat.

Images of this individual: tag all
Spider Killer - Pison Spider Killer - Pison

Moved
Moved from ID Request.

Female Pison
The emarginate inner eye margins and the long marginal cell are key features.

 
@ Chris
Thanks for the details. There is a stretch version of this wasp around as well. It has the same type head but the body is long and narrow.

 
Trypoxylon
That would most likely be Trypoxylon, a related genus in the same tribe

Must be female
Male wasps can't sting and don't collect animal prey.

 
@ John
Meaning they drink nectar as their food source?

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