Booklouse

Scientific Name: Liposcelis spp.

Order & Family: Psocodea: Liposcelididae

Size: 1 - 2 mm long

Booklouse

Natural Habitat

Damp areas with high humidity, such as under wallpaper, in pantry goods, or near old books and papers.

Diet & Feeding

Feeds on microscopic mold, fungi, starches, and organic debris.

Behavior Patterns

Wingless and flattened in shape, they are active crawlers that thrive in moisture but are not social insects.

Risks & Benefits

Harmless to humans and pets as they don't bite; however, they can contaminate dry food or damage book bindings if present in large numbers.

Identified on: 12/30/2025