
Community identification
Ground Beetle
Harpalus pensylvanicus (Pennsylvania Ground Beetle)
- Order & Family
- Coleoptera: Carabidae
- Size
- 10 to 25 mm (0.4 to 1.0 inch)
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