Booklice are usually treated as harmless household pests, but allergies are one area where that simple description needs qualification. Research has identified allergenic proteins in at least one common indoor […]

Seeing dozens of tiny insects moving across a wall, bookshelf, pantry shelf, or windowsill can make booklice look more threatening than they actually are. For most people, finding booklice indoors […]

Finding booklice in a bedroom, bathroom, or even accidentally crawling on your skin can make biting an immediate concern. Their name does not help because “lice” suggests a parasite that […]

Seeing tiny insects crawling near your cat’s food bowl, dog bed, or pet supplies can make them look more threatening than they are. Booklice are not fleas, ticks, or parasitic […]

Finding booklice crawling through a closet or across folded clothing can make it look as though the insects are feeding on the fabric. In most household situations, that is not […]

Are booklice attracted to light? The response varies among species and can differ between males and females. Some tested booklice moved toward ultraviolet, green, or white light, while another species […]

Getting rid of visible booklice is only half the job. If the same damp conditions remain, another population can develop even after you have vacuumed, cleaned, or treated the insects […]

Finding booklice around a moldy window, damp wall, old book, or humid cupboard is not a coincidence. Mold and other fungi are major food sources for household booklice, and the […]

Household booklice crawl and run rather than springing through the air. Their fast, uneven movement may resemble a tiny hop when viewed without magnification. However, an insect that repeatedly launches […]

Booklice and dust mites are both associated with humid indoor environments, but they are very different creatures. The easiest distinction is visibility. Booklice are tiny insects that you can often […]