booklouse

(from the article `insect`) ...rudimentary in both sexes; show affinities with cockroaches and are sometimes placed in the cockroach order, Blattodea.Order Psocoptera (booklice ... It is generally accepted that the lice are derived from the book lice (order Psocoptera). It is also accepted that the Anoplura are related to the ... The...
Found on http://www.britannica.com/eb/a-z/b/93

booklouse

book louse noun minute wingless psocopterous insects injurious to books and papers
Found on https://www.encyclo.co.uk/local/20974

booklouse

Any of numerous species of tiny wingless insects of the order Psocoptera, especially Atropus pulsatoria, which lives in books and papers, feeding on starches and moulds. Most of the other species live in bark, leaves, and lichens. They thrive in dark, damp conditions
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0007460.html

booklouse

[n] - minute wingless psocopterous insects injurious to books and papers
Found on http://www.webdictionary.co.uk/definition.php?query=booklouse
No exact match found