Carpet Beetle (larva)
Scientific Name: Dermestes lardarius, Anthrenus scrophulariae, Trogoderma variabile (among others)
Order & Family: Coleoptera, Dermestidae
Size: Larvae range from 1 mm to 5 mm in length, depending on species and instar. Adults are typically 2 mm to 4 mm.
Natural Habitat
Indoors, commonly found in carpets, rugs, upholstered furniture, closets, attics, museums, and anywhere natural fibers or dried animal products are stored. Outdoors, they can be found in bird nests, animal nests, and dried animal remains.
Diet & Feeding
Larvae feed on a variety of animal-based materials, including natural fibers (wool, silk, fur, feathers), dried pet food, dead insects, and animal carcasses. They are scavengers.
Behavior Patterns
Carpet beetle larvae typically avoid light and prefer dark, undisturbed areas. They are slow-moving and may roll into a ball when disturbed. Adults are attracted to light and are often found near windows.
Risks & Benefits
Risks: Can cause significant damage to natural fiber textiles, clothing, carpets, and museum specimens, leading to economic loss. Some people may experience allergic reactions (dermatitis) to bristles shed by the larvae. Not known to transmit diseases to humans. Benefits: Can play a minor role as scavengers in breaking down organic matter in natural environments.
Identified on: 8/31/2025