Word.ws English Dictionary

bark louse

bark louse noun: any insect of the family Coccidae, that infest the bark of trees and vines.

bark louse: any insect of the family Coccidae, that infest the bark of trees and vines
Image: Whitney Cranshaw, Colorado State University, United States, CC BY 3.0 us, via Wikimedia Commons

Noun

bark louse (plural bark lice)

  1. (obsolete) Any insect of the family Coccidae, that infest the bark of trees and vines.
    • Housed plants are considerably injured by an oval bark-louse, the Coccus Hesperidum of Linnæus, which has been introduced from abroad.1833 January 20, The New England Farmer and Horticultural Journal, volume 11, page 226
  2. Any insect of the order Psocoptera, that live on or near trees and feed on algae and lichen.
    • Another group of insects that tend to be very secretive in their habits and were very well represented in the ancient forest are the bark lice, or psocids.⁶⁸ Bark lice (90) are usually solitary, but sometimes the adults and nymphs live together under webs spun out of silk emitted from head glands....1999, George O. Poinar, Roberta Poinar, The Amber Forest: A Reconstruction of a Vanished World, page 84
    • These include springtails (order Collembola), bark lice (order Ps[o]coptera),[…].2002, Lance A. Durden, Gary R. Mullen, “1: Introduction”, in Gary R. Mullen, Lance A. Durden, editors, Medical and Veterinary Entomology, page 8
    Synonyms:
    bark fly, psocid

Synonyms of bark louse

Forms of bark louse

pluralbark lice
alternative formbark-louse

Questions about bark louse

What does bark louse mean?
Bark louse means any insect of the family Coccidae, that infest the bark of trees and vines.
What part of speech is bark louse?
Bark louse is a noun.
What is the plural of bark louse?
The plural of bark louse is bark lice.

Words near bark louse in the dictionary

  1. bark breads
  2. bark collar
  3. bark collars
  4. bark dust
  5. bark lice
  6. bark louse
  7. bark mill
  8. bark mills
  9. bark mitzvah
  10. bark mitzvahs
  11. bark mixture

Source and license

Adapted from Wiktionary: bark louse (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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