Carpet Beetle Larva

Natural Habitat

Found indoors in dark, undisturbed areas such as closets, under carpets, in air ducts, behind baseboards, and in stored clothing or pantry goods. Outdoors, they inhabit bird and animal nests.

Diet & Feeding

Scavengers that feed on natural fibers and organic debris. Their diet includes wool, fur, silk, leather, feathers, hair, pet dander, dead insects, and dried plant products.

Behavior Patterns

Larvae prefer dark, secluded places and move slowly. They cause damage by grazing on surfaces, leaving irregular holes or patches. When molting, they leave behind light brown, shell-like cast skins. The larval stage can last from a few months to over a year depending on food availability and temperature.

Risks & Benefits

Risks: They are a common household pest notorious for damaging textiles like carpets, clothing, and upholstered furniture. The bristly hairs on the larvae can cause skin irritation or allergic reactions (carpet beetle dermatitis) in some people. Benefits: In nature, they act as decomposers of dead animal matter.

Identified on: 3/6/2026