Booklouse

Damp, warm environments with high humidity, often found in libraries, kitchens, bathrooms, or new construction.

Feed on microscopic fungi, mold, mildew, starch, and dead organic matter.

Non-jumping, fast-running insects that thrive in humidity over 60%. They reproduce rapidly in favorable conditions.

Harmless to humans and pets, but can be a nuisance; their presence indicates high humidity and potential mold issues in the home.