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Flying insect with orange wings - Pepsis

Flying insect with orange wings - Pepsis
Fountain Hills (Phoenix), Maricopa County, Arizona, USA
September 24, 2009
Size: ca 3.5 cm
This is a flying insect.The body is black, but the insect is conspicuous due to large bright orange-red wings. Here, the insect is feeding on the flower of a Desert Milkweed (Asclepias subulata).

Images of this individual: tag all
Flying insect with orange wings - Pepsis Flying insect with orange wings - Pepsis

Pepsis Tarantula Hawk
My son and I saw one of these this morning in Lake Forest, CA near a small stream. It was non-aggressive and wasn't bothered when I followed it to take pictures. It was about 1 1/2" long with bright orange wings. The body appeared black, but when the sun hit the wasp, the body appeared to be a brilliant royal blue.

Moved from ID Request.

Tarantula hawk, a type of wasp
May be tough to identify further, but many are in Pepsis. Info at link below, and when you get there, Images tab provides more photos.

Hopefully, your post will get expert attention.

Expert here:-)
Ron is correct. The blue reflections suggest genus Pepsis, but this is an old, very faded specimen and species ID is very unlikely. It is a female, though.

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