Psocid (also known as Booklouse)

Natural Habitat

High-humidity environments indoors, such as kitchens, bathrooms, damp basements, or areas with paper, starch, or grains.

Diet & Feeding

Feeds on microscopic fungi, mold, mildew, book glue, and starchy food products.

Behavior Patterns

Naturally gregarious and move in jerky, rapid bursts. They do not bite or sting but proliferate rapidly in humid conditions.

Risks & Benefits

Generally harmless to humans but can be a nuisance in large numbers. Their presence usually indicates a moisture or humidity problem that may lead to mold growth.

Identified on: 12/30/2025