Household Casebearer

Natural Habitat

Warm, humid environments; commonly found inside houses on walls or floors

Diet & Feeding

In the larval stage, they eat spider silk, hair, wool, and other natural fibers

Behavior Patterns

The larva builds a flattened, silken case covered in sand or dust and can extend its head from either end to move or feed

Risks & Benefits

Considered a minor household pest as they can damage silk or wool clothing, but they are harmless to humans

Identified on: 2/6/2026