1.7 mi. NNW. of Antelope Fire Control Station, Willow Springs, San Benito County, California, USA
May 20, 2013
Size: ~25mm length.
Saw several of these at our spring, all getting mud balls for their nest. I assume this is another
Sceliphron caementarium, but I wanted to improve on my last attempt at photographing this species
. 36.66817°N, 121.03456°W; 2484 ft. elevation.