Douglas-fir (Pseudotsuga)-Brown soft scale

Coccus hesperidum

Pest description and damage Brown soft scale are yellowish to dark brown insects (adults are usually darker). They are found mainly on twigs, although young scale also may be found on the foliage, typically on the underside of needles. Scale suck plant sap and produce copious honeydew on which sooty mold may grow.

For biology, life history, monitoring and management

See "Scale insect" in: