About Calosoma peregrinator Guérin-Méneville, 1844
Calosoma peregrinator, commonly known as the traveling caterpillar hunter, is a species of ground beetle belonging to the subfamily Carabinae. It was first described by Félix Édouard Guérin-Méneville in 1844. This species occurs in Mexico and the southern United States, where it lives in grasslands and pastures. Adult individuals overwinter in underground cavities, and they prey on caterpillars.