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you are here: Home >> Common Pests (Booklice)

Booklice (Psocids spp)

Booklice are found widespread from houses to warehouses. Damp conditions are favourable; from bathrooms to kitchens and warehouses to pallets these areas can all hold significant numbers under the right conditions. They feed on micro fauna growing on the surface of cardboard or paper products. They rarely cause damage directly by feeding and are virtually harmless in small numbers. Large infestations, however, may cause significant damage to delicate materials such as books. The adult can lay up to 200 eggs, which hatch approximately 7-14 days later. The nymph moults 3 to 8 times. The adults will live for up to 6 months and generally appear from April through to November.

• Inside: Generally seen inside where places of high humidity or damp conditions are found. Storage cupboards/packaging material, plasteror or crawling around the floor or worktop areas.

Life Cycle

• Incomplete Metamorphosis: Egg followed by Nymph stage moulting before emerging as an Adult.
• Eggs: up to 200 eggs in total.
• Nymph stage: Moults 3-8 times.
• Size: Adult 1-2mm
• Colour: Pale yellow to brown.

If you have a pest problem please, Call us on 01603 744556, or request a call back.