Poecilus chalcites

Poecilus chalcites is a species of woodland ground beetle in the family Carabidae.^[1][2][3] It is found in the Caribbean, Central America, and North America,^[2] and is common in cropland of Illinois and other states.^[4]

Poecilus chalcites
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Adephaga
Family:	Carabidae
Genus:	Poecilus
Species:	P. chalcites
Binomial name
Poecilus chalcites (Say, 1823)

Poecilus chalcites is a carnivourous species known to eat various crop pests including Diabrotica virgifera virgifera, Helicoverpa zea, Agrotis ipsilon, and Mythimna unipuncta.^[4]

Males and females can be distinguished by the shape of the most proximate foretarsus. In males, it is heart-shaped, but in females it is thinner.^[4]

Poecilus chalcites, Pryor, OK, USA^[5]