Carpet Beetle Laruae/Shed Skin (Likely Varied Carpet Beetle)
Scientific Name: Anthrenus verbasci
Order & Family: Coleoptera (Beetles), Dermestidae (Skin Beetles)
Size: Larvae are typically 4-5 mm (about 1/4 inch) in length.
Natural Habitat
Indoor environments, particularly in dark, undisturbed areas like under carpets, inside closets, in pantries, near baseboards, in air ducts, and around stored natural fabrics (wool, silk, fur).
Diet & Feeding
They feed on natural fibers and dead organic matter, including wool, silk, fur, leather, dead insects, pet dander, hair, and sometimes stored food products like dry pet food or grains.
Behavior Patterns
The larvae avoid light and prefer dark, secluded places. As they grow, they molt (shed their skin) multiple times, leaving behind translucent, brownish shell-residue, which is often what is spotted before the live insects. They move slowly and can cause localized damage to textiles.
Risks & Benefits
Risks: Major household pest that damages clothing, carpets, and upholstery made of natural fibers. Their shed skins and fine bristles can cause allergic reactions (dermatitis) or respiratory irritation in some people. Benefits: In nature, they act as decomposers of dead animal matter, but they offer no significant benefit inside a home.
Identified on: 2/27/2026