Book Lice
Liposcelis spp.
Stored Product PestsSmall (about 1/16 inch), soft-bodied, cream-colored to grayish or light brown, wingless, fast-moving insects. Feed on molds and fungi growing on damp materials. Found in books, cereals, wallpaper, boxes, and other materials with high moisture. May damage starched items. Large numbers develop under excessive humid conditions.
Control Methods
Recommended methods for controlling this pest
| Method | Type | Effectiveness | Requirements |
|---|---|---|---|
| HEPA Vacuum Removal | Non-Chemical | None | |
| Habitat Modification for Moisture Pests | Cultural | None |
Common Harborage Locations
Where to find this pest during inspections
| Location | Why Found There | Priority |
|---|---|---|
| Kitchen Cabinets | Proximity to food sources, crumbs and spills, warmth from nearby appliances, dark undisturbed corners. | Critical |
| Under Bathroom Sinks | High humidity from sink use, plumbing leaks, standing water in cabinet bases, warmth from hot water pipes. | High |
| Basements | High humidity, cooler temperatures, stored items, potential for flooding, entry point from outside. | Critical |
| Storage Boxes & Clutter | Undisturbed environment, material for nesting, harborage between items, food source (cardboard/paper). | Medium |
Important Disclaimer: The information provided in this knowledge base is for educational and reference purposes only. Pest management professionals should always consult current product labels, Safety Data Sheets (SDS), manufacturer instructions, and applicable local, state, and federal regulations as the definitive source of truth. Product formulations, application methods, safety requirements, and regulations may change over time. This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.