'Bark louse' definitions:
Definition of 'bark louse'
(from WordNet)
noun
Any of several insects living on the bark of plants [syn: bark-louse, bark louse]
Definition of 'Bark louse'
From: GCIDE
- Bark louse \Bark" louse`\ (Zool.) 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]