# bark louse

> English word · Noun

## Definitions
1. Any insect of the family Coccidae, that infest the bark of trees and vines.
2. Any insect of the order Psocoptera, that live on or near trees and feed on algae and lichen.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bark-louse