Black Carpet Beetle (Larva)

Scientific Name: Attagenus unicolor

Order & Family: Coleoptera: Dermestidae

Size: 3 mm to 7 mm (as larvae)

Black Carpet Beetle (Larva)

Natural Habitat

Indoor environments such as closets, under furniture, and in pantries; also found in bird nests and animal dens.

Diet & Feeding

Scavengers that feed on animal-based materials including wool, silk, feathers, fur, hair, and dried pet food.

Behavior Patterns

Larvae are avoidant of light (photophobic) and tend to hide in dark, secluded areas. They undergo several molts during a development period that can last from months to years depending on food and temperature.

Risks & Benefits

Risks: Significant pest that can damage carpets, clothing, and upholstery. Larvae hairs can cause localized skin irritation or allergic reactions in sensitive individuals. Benefits: None to humans; in nature, they act as decomposers by recycling keratin.

Identified on: 4/7/2026