Bug Identifier
Black Ground Beetle
Community identification

Black Ground Beetle

Harpalus pennsylvanicus

Order & Family
Order: Coleoptera; Family: Carabidae
Size
13 to 25 millimeters (approx. 0.5 to 1 inch)
See this bug in the Encyclopedia

Natural Habitat

Typically found in gardens, fields, and around homes under rocks, logs, or leaf litter.

Diet & Feeding

Omnivorous; feeds on a variety of insect larvae, small invertebrates, and some seeds or vegetation.

Behavior Patterns

Night-active (nocturnal) hunters that are often attracted to porch lights; they move quickly on the ground and usually only enter homes by accident.

Risks & Benefits

No significant risk to humans as they do not bite or transmit disease; highly beneficial to the ecosystem as they prey on common garden pests like slugs and caterpillars.