Bug Identifier
Ground Beetle
Community identification

Ground Beetle

Harpalus pennsylvanicus

Order & Family
Coleoptera/Carabidae
Size
10 - 15 mm in length
See this bug in the Encyclopedia

Natural Habitat

Typically found in fields, gardens, and under debris or stones, but often enters homes when attracted to lights.

Diet & Feeding

Larvae and adults are generalist predators, feeding on a wide variety of insects including caterpillars, fly larvae, and weed seeds.

Behavior Patterns

Primarily nocturnal; they are active hunters at night and strongly attracted to artificial lights. They run quickly when disturbed.

Risks & Benefits

They pose no risk to humans as they do not bite or sting. They are highly beneficial to ecosystems and gardens as they help control pest insect populations and consume weed seeds.