booklouse
Quick Summary
Booklice, also known as psocids, are small, soft-bodied insects, typically under 5 mm long. They have slender antennae and chewing mouthparts, feeding on fungi, cereals, pollen, and organic debris. While most psocids have wings and are found outdoors on bark or foliage, the species commonly called booklice are pale, wingless insects often found indoors. These booklice inhabit damp areas and are frequently discovered among old books, papers, or stored grains, where they feed on mold and other organic matter.12
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insectAnnotated classificationOrder Psocoptera (booklice or psocids) Small or minute insects with long filiform antennae, delicate membranous wings (though many are wingless), head with Y-shaped epicranial suture, enlarged post-clypeus (sclerite on the face); maxilla with a rodlike lacinia (inner lobe) partly sunk into head capsule; labial palps much reduced;…
Read MoreOrder Psocoptera (booklice or psocids) Small or minute insects with long filiform antennae, delicate membranous wings (though many are wingless), head with Y-shaped epicranial suture, enlarged post-clypeus (sclerite on the face); maxilla with a rodlike lacinia (inner lobe) partly sunk into head capsule; labial palps much reduced;…
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louseEvolution and paleontology…lice are derived from the book lice (order Psocoptera). It is also accepted that the Anoplura are related to the Mallophaga, some authorities believing that they evolved from an ancestral stock before the division into the Amblycera and Ischnocera, others that they diverged from those Ischnocera already parasitic on mammals.…
Read More…lice are derived from the book lice (order Psocoptera). It is also accepted that the Anoplura are related to the Mallophaga, some authorities believing that they evolved from an ancestral stock before the division into the Amblycera and Ischnocera, others that they diverged from those Ischnocera already parasitic on mammals.…
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