Cabeza Prieta National Wildlife Refuge
Yuma County, Arizona
Near Cholla Pass on El Camino del Diablo
Coordinates: 32.110561, -113.182151
Elevation: 1,063 ft
March 5, 2020
There were many specimens on or in rotting saguaro cactus. The cactus had attracted many other insects such as robber flies, clown beetles, and several types of small flies
Determined by Tim Struyve who said: “Looks like a Belonuchus ephippiatus, I can’t exclude B. erythropterus.”