Booklouse

Scientific Name: Liposcelis spp.

Order & Family: Psocodea; Liposcelididae

Size: 1mm to 2mm in length

Booklouse

Natural Habitat

High-humidity environments, typically found in kitchens, bathrooms, damp books, and stored pantry items.

Diet & Feeding

Microscopic mold, fungi, algae, and starchy materials such as book glue and grains.

Behavior Patterns

They are wingless, fast-running insects that thrive in humid conditions and reproduce quickly when food sources are available.

Risks & Benefits

They do not bite humans or transmit disease, but are considered household pests that can contaminate food and damage paper goods or book bindings.

Identified on: 12/27/2025