Booklice & Psocid

 Identification and Control

Proper identification is an important first step in controlling ants.


How to Identify an 

Booklice & Psocid

When found indoors psocids, often called booklice, are very minute and are only 1/25 to 1/13 of an inch in length. Booklice can be found outdoors may be larger, up to 1/4 of an inch long.

These are very common in pest monitors-they look like small specks and will need a hand lens to identify. They may or may not have wings. The outdoor species of psocids are called barklice.

Where do they come from?

Psocids prefer warm, humid or damp places. Barklice, as psocid species that live outdoors are often called, live outdoors on or under bark, grass, leaves, damp wood, etc.

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What do they look like?

Psocids prefer to hand out in humid places
Psocids need a hand lens to identify
Close up view of a psocid

Where do they live?

Booklice/Psocids can be found around damp books, leaking/sweating pipes, in voids, cracks and crevices, cupboards, in cardboard boxes or anywhere where mold growth cane supported.





Mold spores and fungal spores, starchy foods, eggs of grain moth.

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