Calosoma atrovirens is a species of ground beetle in the subfamily of Carabinae. It was described by Maximilien Chaudoir in 1869. This species is found in Mexico, where it inhabits oak forests, tropical deciduous forests and wet pastures.
Adults are brachypterous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
Subspecies Calosoma atrovirens atrovirens - (Hidalgo, San Luis Potosi, Tamaulipas) blackish-green caterpillar hunter Calosoma atrovirens explanaticolle Bates, 1891 (Distrito Federal, Guanajuato, Jalisco, Michoacan, Oaxaca, Puebla, Queretaro, Zacatecas) - broad-necked caterpillar hunter
References