Bark" louse` (?). Zool.

An insect of the family Coccidae, which infests the bark of trees and vines.

⇒ The wingless females assume the shape of scales. The bark louse of vine is Pulvinaria innumerabilis; that of the pear is Lecanium pyri. See Orange scale.


© Webster 1913.

Log in or registerto write something here or to contact authors.