Booklouse (also known as Psocid or Paper Louse)

Found indoors in warm, high-humidity environments such as bathrooms, kitchens, window sills, bookshelves, and stored food containers.

Microscopic mold, fungi, starch, glue (from book bindings), and organic debris.

Wingless insect that runs in quick, jerky bursts when disturbed; they do not fly. They thrive in damp conditions where microscopic mold grows.

Primarily a nuisance pest; they do not bite humans or pets and do not transmit disease. Their presence usually indicates high humidity or hidden mold issues in the home. They can contaminate stored dry goods like grains or flour.