| DESCRIPTION |
 |
Booklice do not bite or cause disease organisms, and seldom if ever do any
damage. They can become annoying or serve as a harmless contaminant of food
products.
Identification: These are small (10 mm), stocky, winged or wingless insects.
The clypeus is expanded which gives the face a bulging appearance. Wing venation
is reduced with few crossveins and the antennae are long and slender. Like
some members of the Phthiraptera and unlike other hemipteroids, Psocoptera
have chewing mouthparts. Tarsi are 2-3 segmented. These tiny insects can
become abundant inside homes, especially in warm, damp places around books,
certain kinds of upholstered furniture, or stored food products. They are
about the size of a pinhead, soft-bodied, light or dark in color, and usually
wingless. Booklice (psocids) run along surfaces in a jerky manner, which
may help further in identifying them. Booklice occur most commonly out-of-doors
on the bark of trees, foliage, and on or beneath rocks. Outdoor-dwelling
psocids often have wings.