Tarantula Hawk, Pepsis sp. Is this P. thisbe? - Hemipepsis ustulata -
North Algodones Dunes, about 2500 feet west of N 33.093667 W -115.2525, Imperial County, California, USA November 18, 2014 Size: 1.5 - 2 inches?
Very active wasp, mid-day, on Eriogonum deserticola, which was probably the major nectar source on this portion of the dunes at this time of this year.