Calosoma alternans

Calosoma alternans is a species of ground beetle in the family Carabidae. It is found in Central and South America.

Subspecies
These two subspecies belong to the species Calosoma alternans:
 * Calosoma alternans alternans (Fabricius, 1792) (Colombia, the Lesser Antilles, Mexico, and Venezuela)
 * Calosoma alternans granulatum Perty, 1830 (Argentina, Brazil, and Uruguay)