Bug Identifier
Plaster Bagworm
Community identification

Plaster Bagworm

Phereoeca uteryllella

Order & Family
Lepidoptera: Tineidae
Size
Case length: 8-14 mm, Larva: up to 10 mm
See this bug in the Encyclopedia

Natural Habitat

Indoor environments, often found on walls in humid climates; tropical and subtropical regions.

Diet & Feeding

Larvae scavenge for organic fibers including spider webs, wool, hair, and silk.

Behavior Patterns

Larvae construct a protective, spindle-shaped case from silk and environmental debris (sand, dust). They move by protruding their head and front legs to drag the case.

Risks & Benefits

Generally considered a nuisance pest; can damage delicate household fabrics such as silk or wool if present in large numbers.