Bark louse
Bark louse Bark" louse` (Zo["o]l.) An insect of the family {Coccid[ae]}, which infests the bark of trees and vines. [1913 Webster]

Note: The wingless females assume the shape of scales. The bark louse of the vine is {Pulvinaria innumerabilis}; that of the pear is {Lecanium pyri}. See {Orange scale}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • bark-louse — noun any of several insects living on the bark of plants • Syn: ↑bark louse • Hypernyms: ↑psocid * * * barkˈ louse noun Any of various aphids that infest the bark of trees • • • Main Entry: ↑bark …   Useful english dictionary

  • bark louse — noun any of several insects living on the bark of plants • Syn: ↑bark louse • Hypernyms: ↑psocid * * * noun Etymology: bark (III) : any of a number of small insects living on the bark of plants (as certain psocids …   Useful english dictionary

  • scurfy bark louse — noun : scurfy scale …   Useful english dictionary

  • oystershell bark louse — noun see oystershell scale …   Useful english dictionary

  • Wood louse — Wood Wood, n. [OE. wode, wude, AS. wudu, wiodu; akin to OHG. witu, Icel. vi?r, Dan. & Sw. ved wood, and probably to Ir. & Gael. fiodh, W. gwydd trees, shrubs.] [1913 Webster] 1. A large and thick collection of trees; a forest or grove; frequently …   The Collaborative International Dictionary of English

  • wood louse — noun 1. : a terrestrial isopod crustacean (suborder Oniscoidea) that has a flattened elliptical body often capable of being rolled into a ball and seven pairs of walking legs, is commonly dull brown or gray, usually lives under stones or bark,… …   Useful english dictionary

  • Root louse — Root Root, n. [Icel. r[=o]t (for vr[=o]t); akin to E. wort, and perhaps to root to turn up the earth. See {Wort}.] 1. (Bot.) (a) The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion …   The Collaborative International Dictionary of English

  • Tree louse — Tree Tree (tr[=e]), n. [OE. tree, tre, treo, AS. tre[ o], tre[ o]w, tree, wood; akin to OFries. tr[=e], OS. treo, trio, Icel. tr[=e], Dan. tr[ae], Sw. tr[ a], tr[ a]d, Goth. triu, Russ. drevo, W. derw an oak, Ir. darag, darog, Gr. dry^s a tree,… …   The Collaborative International Dictionary of English

  • Woolly louse — Woolly Wool ly, a. 1. Consisting of wool; as, a woolly covering; a woolly fleece. [1913 Webster] 2. Resembling wool; of the nature of wool. My fleece of woolly hair. Shak. [1913 Webster] 3. Clothed with wool. Woolly breeders. Shak. [1913 Webster] …   The Collaborative International Dictionary of English

  • pine bark aphid — noun : a plant louse (Pineus strobi) that lives on the bark of the white pine and produces a white flocculent deposit …   Useful english dictionary

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