Tribolium setosum
Aravaipa Canyon, Pinal County, Arizona
Coordinates: 32.884412, -110.580625
Elevation: 2,537 ft
August 3, 2019
Size: 5.8 mm
Attracted to mercury vapor and ultraviolet lights
Determined by Andrew Johnston, who said: “The carinate outer elytral intervals are diagnostic for Tribolium – the setae are inconspicuous but visible; especially in the lateral shot. This species is somewhat uncommon but found throughout Arizona.”