Acacia-scrub
Guides
Calosoma prominens
projecting caterpillar hunter
Calosoma prominens is a large ground beetle in the family Carabidae, described by John Lawrence LeConte in 1853. It belongs to the caterpillar hunter genus Calosoma, known for arboreal foraging behavior targeting caterpillar prey. The species occurs in the southwestern United States and northern Mexico, where it inhabits arid scrublands dominated by acacia and cactus vegetation. Like other members of its genus, it is presumed to be a voracious predator of caterpillars and other soft-bodied insects, though specific ecological studies for this species are limited.