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Tarantula Hawk? - Pepsis - female

Tarantula Hawk? - Pepsis - Female
Claremont, Los Angeles County, California, USA
June 9, 2012
This large wasp was visiting Asclepias eriocarpa (Indian Milkweed or Kotolo) at the Claremont Colleges’ Robert J. Bernard Biological Field Station. To me it looks like a Tarantula Hawk. I wondered if it might be Pepsis thisbe, although the dark submarginal band on the wings is not as pronounced nor the color as bright as in many of the BugGuide P. thisbe images. I think that the curly antennae indicate that this is a female. Any information about its identity will be greatly appreciated!

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Tarantula Hawk? - Pepsis - female Tarantula Hawk? - Pepsis - female Tarantula Hawk? - Pepsis - female Tarantula Hawk? - Pepsis - female

Moved from Pepsinae. Many Pepsis have a dark marginal band but P. thisbe has hyaline wing tips beyond the band (so I guess it could be considered a submarginal band). More than likely this is P. thisbe. While your comment about this female are true with respect to color, she is also fairly worn and therefore a little dull and missing a bit of her wing margins (a common condition in all worn pompilidae).


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