Bug Identifier
Black Carpet Beetle
Community identification

Black Carpet Beetle

Attagenus unicolor

Order & Family
Order: Coleoptera; Family: Dermestidae
Size
Adults are 2.8 to 5.0 mm (0.11 to 0.20 inches) long.
See this bug in the Encyclopedia

Natural Habitat

Commonly found indoors in homes, warehouses, and locations with stored fabric or animal products; also found outdoors in nests of birds and rodents.

Diet & Feeding

Larvae feed on keratin-rich substances like wool, silk, feathers, fur, and hair, as well as dried plant materials and cereals; adults feed primarily on flower pollen and nectar.

Behavior Patterns

Larvae are avoidant of light (negatively phototactic) and take 6 months to 3 years to develop. Adults are attracted to light and are often seen on windowsills.

Risks & Benefits

Significant household pest that can damage carpets, upholstery, and clothing; larvae hairs can cause allergic reactions (dermatitis) in sensitive individuals. They serve an ecological role as scavengers of organic debris.