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| − | '''Psocoptera''' are an order of [[insect]]s that are commonly known as booklice or barklice. They first | + | '''Psocoptera''' are an order of [[insect]]s that are commonly known as booklice or barklice. They first appeared in the [[Permian]] era, 295-248 million years ago. The are often regarded as the most primitive of the [[hemipteroid]]s. Their name originates from the [[Greek language|Greek]] word ''psokos'' meaning [[wiktionary:gnawed|gnawed]] or [[wiktionary:rubbed|rubbed]] and ''ptera'' meaning [[wiktionary:wings|wings]]. There are roughly 3,000 species in 35 families in 3 suborders. |
They range in size from 1 to 10 [[millimeters|mm]] in length. | They range in size from 1 to 10 [[millimeters|mm]] in length. | ||
| − | No member of this order is currently at conservation risk. | + | They receive their common name because members of this order are commonly found amongst old [[book]]s - they feed upon the [[paste]] used in [[binding]]. |
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| + | No member of this order is currently at [[conservation risk]]. | ||
==Sources== | ==Sources== | ||
Revision as of 23:33, 16 September 2006
Psocoptera are an order of insects that are commonly known as booklice or barklice. They first appeared 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.
They receive their common name because members of this order are commonly found amongst old books - they feed upon the paste used in binding.
No member of this order is currently at conservation risk.
Sources
- Firefly Encyclopedia of Insects and Spiders, edited by Christopher O'Toole, ISBN 1-55297-612-2, 2002
de:Staubläuse es:Psocoptera fr:Psocoptera lt:Šiengraužiai cs:pisivky no:Støvlus
