How to treat books for bed bugs? - briefly
Seal the books in a heavy-duty plastic bag and freeze them at –20 °C (or lower) for a minimum of 72 hours, then keep them in airtight containers; alternatively, expose them to temperatures above 50 °C for several hours to eliminate any remaining insects.
How to treat books for bed bugs? - in detail
Treating paper‑bound materials that have become infested with Cimex lectularius requires a methodical approach because heat, chemicals, and isolation each have distinct effects on the integrity of the pages and binding.
First, isolate the affected volumes. Place them in sealed, breathable containers (e.g., polyethylene bags with small ventilation holes) to prevent spread to surrounding items. Label each container with the date of treatment and the condition observed.
Second, evaluate the suitability of heat. Bed‑bug eggs and adults die at temperatures of 45 °C (113 °F) sustained for at least 30 minutes. Use a calibrated dryer or a low‑temperature oven that can maintain the target temperature without exceeding 55 °C (131 °F), which risks paper degradation. Arrange books upright on a rack, ensuring air circulates around every surface. Monitor temperature with a calibrated probe placed between the covers. After the exposure period, allow the books to cool slowly in the sealed container to avoid condensation.
Third, consider chemical options when heat is impractical. Apply a residual insecticide approved for indoor use, such as a pyrethroid dust, directly to the spine, edges, and any crevices. Use a fine brush or a low‑pressure applicator to minimize residue on the pages. Follow the product’s safety data sheet: wear gloves, work in a well‑ventilated area, and allow the treated books to sit for the recommended waiting period (typically 24–48 hours) before handling.
Fourth, employ freezing if the collection can tolerate low temperatures. Place the books in a freezer capable of reaching –20 °C (–4 °F) for a minimum of 72 hours. Wrap each volume in a breathable cloth to prevent moisture buildup. After removal, keep the books sealed until they return to ambient temperature, then inspect for residual insects.
Fifth, inspect and repeat. After any treatment, examine each page, binding, and cover under a magnifying lens. Look for live insects, shed skins, or fecal spotting. If any signs persist, repeat the chosen method or combine heat and chemical treatments sequentially.
Finally, implement preventive measures. Store books in airtight containers with desiccant packets to reduce humidity, a factor that favors bed‑bug development. Regularly inspect storage areas for signs of infestation and maintain cleanliness to discourage re‑colonization.
By following isolation, heat, chemical, freezing, and inspection steps, one can effectively eradicate bed‑bug presence in books while preserving their physical condition.