
Community identification
Ground Beetle
Harpalus pensylvanicus
- Order & Family
- Coleoptera: Carabidae
- Size
- 13–16 mm (general Harpalus species range 10–30 mm)
Natural Habitat
Typically found on the ground in gardens, agricultural fields, meadows, and under debris or stones.
Diet & Feeding
Omnivorous; feeds on a variety of small insects, larvae, and weed seeds (notably ragweed).
Behavior Patterns
Night-active (nocturnal) hunters that are often attracted to lights. They are fast runners that hide under leaf litter or soil during the day.
Risks & Benefits
Highly beneficial to the ecosystem as they provide natural pest control by eating harmful insects and help manage weed populations by consuming seeds.