Nogales
Santa Cruz County, Arizona
Coordinates: 31.335484, -110.937959
Elevation: 3,932 ft
December 17, 2023
Size: 7 mm body
Adult specimen one day after found, as teneral, on a compost bin containing kitchen waste and leaf litter
Determined by Salvador Vitanza
Confirmed by Bill Dean who said: “Yes; Stomoxys calcitrans. The shape of the proboscis is characteristic and the posterior margin of eyes deeply hollowed and curving and the occiput with a thin line of close small bristles at posterior margin.”