Carpet Beetle (likely Varied Carpet Beetle or Black Carpet Beetle larva)

Natural Habitat

Indoors, especially in undisturbed areas where animal products or natural fibers are present. These include carpets, rugs, upholstered furniture, clothing, stored food products, museum collections, and pet bedding. Outdoors, they can be found in bird or rodent nests.

Diet & Feeding

Larvae primarily feed on natural fibers and animal products, including wool, silk, fur, feathers, leather, dried meat, dead insects, and pet food. They can also feed on plant-based materials like grains and cereals. Adult carpet beetles feed on pollen and nectar outdoors but do not feed on household items.

Behavior Patterns

Carpet beetle larvae are typically found in dark, undisturbed areas. They are slow-moving and tend to curl up or play dead when disturbed. Larvae undergo several instars (molts) as they grow, and their shed skins can often be found near infested materials. Adults are attracted to light and may be seen near windows, indicating an indoor infestation. The lifecycle from egg to adult can take several months to a year depending on conditions.

Risks & Benefits

Risks: Carpet beetle larvae are significant household pests, causing damage to textiles, clothing, carpets, and other items containing natural fibers. Their feeding can create holes or thinning in fabrics. Some people may develop allergic reactions or skin irritation from contact with larval hairs or shed skins, often mistaken for bed bug bites. Benefits: In nature, they play a role as scavengers, breaking down organic materials, but this benefit is outweighed by their destructive potential in human dwellings.

Identified on: 9/23/2025