Bug Identifier
Ground Beetle
Community identification

Ground Beetle

Harpalus pensylvanicus (Pennsylvania Ground Beetle)

Order & Family
Coleoptera: Carabidae
Size
10 to 25 mm (0.4 to 1.0 inch)
See this bug in the Encyclopedia

Natural Habitat

Fields, lawns, gardens, under stones, leaf litter, wood piles, and occasionally wanders indoors

Diet & Feeding

Predatory as larvae and adults, feeding on caterpillars, snails, slugs, worms, fly pupae, weed seeds, and other small insects

Behavior Patterns

Primarily nocturnal, fast runners, attracted to outdoor lights at night, and undergo complete metamorphosis (egg, larva, pupa, adult)

Risks & Benefits

Harmless to humans, pets, and structures; beneficial natural control for garden pests and weed seeds