San Jose scale[san′ hō zā′]
a scale insect (Quadraspidiotus perniciosus) that is very destructive to fruit trees and ornamental shrubs
Origin of San Jose scaleafter San Jose, Calif., where first observed in the United States
San Jose scale
A destructive scale insect (Quadraspidiotus perniciosus) that infests the bark, foliage, and fruit of fruit trees.
Origin of San Jose scaleAfter San Jose, California.