Spruce (Picea)-Pine needle scale

Chionaspis pinifoliae

Pest description and damage Pine needle scale are about 0.1 inch in length, elongate, pure white scale that feed on the needles. Heavily infested trees may appear "flocked." Infested needles turn yellow, then brown. Twigs and branches are killed. Repeated infestations may kill trees eventually. Pine needle scale are found with the black pineleaf scale, which is gray to black instead of white. Pine needle scale is a serious pest of ornamental pines and infests arborvitae, cedars, hemlock, spruces and Douglas-fir.

For biology, life history, monitoring and management

See:

Pine (Pinus)-Pine needle scale

See "Scale insect" in:

Common Landscape Pests

Management-chemical control

See Table 1 in:

Chemical Control of Landscape Pests