Bug Identifier
Booklouse
Community identification

Booklouse

Liposcelis bostrychophila

Order & Family
Order: Psocodea, Family: Liposcelididae
Size
1 to 2 millimeters
See this bug in the Encyclopedia

Natural Habitat

Found in damp, humid indoor environments such as libraries, pantries, basements, and around damp building materials where mold or fungi can grow.

Diet & Feeding

Feeds on microscopic molds, fungi, starch from book bindings, wallpaper paste, and sometimes stored dry foods.

Behavior Patterns

Wingless insects that thrive in high humidity and warm temperatures. They move quickly when disturbed and reproduce rapidly under favorable damp conditions.

Risks & Benefits

Risks: They do not bite humans, transmit diseases, or feed on wood, but high populations can become a nuisance or damage old books and stored food by contaminating it. Benefits: None significant to humans indoors, though they act as minor detritivores in natural environments.