Book Louse

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Related to booklouse: psocid

book louse

[′bu̇k ‚lau̇s]
(invertebrate zoology)
A common name for a number of insects belonging to the order Psocoptera; important pests in herbaria, museums, and libraries.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Book Louse


(Troctes divinatorius), an insect of the order Corrodentia. The body, approximately 1 mm long, is pale yellow or white; there are no wings. The book louse is widespread and feeds on plant and animal residue. It frequently lives in houses and can be found in old books—hence the name. It can damage herbaria and insect collections.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.