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Revision as of 19:23, 3 December 2005
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- Trogiomorpha (5 families)
- Troctomorpha (8 families)
- Psocomorpha (22 families)
Psocoptera are an order of insects that are commonly known as booklice. They first appear in the Permian era, 295-248 million years ago. The are often regarded as the most primitive of the hemipteroids. Their name originates from the Greek word psokos meaning gnawed or rubbed and ptera meaning wings. There are roughly 3,000 species in 35 families in 3 suborders.
They range in size from 1 to 10 mm in length.
No member of this order is currently at convservation risk.
Sources
- Firefly Encyclopedia of Insects and Spiders, edited by Christopher O'Toole, ISBN 1-55297-612-2, 2002
