Nogales, Santa Cruz County, Arizona
Coordinates: 31.335112, -110.937919
Elevation: 3,931 ft
August 20, 2019
Size: 18 mm to tip of jaws, 15 mm to base of jaws
Found 5 of these beetles on very wet kitchen compost bin teeming with soldier fly larvae
Aedeagus, ventral/caudal view
Determined by Salvador Vitanza
Confirmed by Alexey Tishechkin