SINCE 1828
San Jose scale
noun
San Jo·se scale
| \
ˌsa-nə-ˈzā- ,
ˌsan-(h)ō- \
ˌsan-(h)ō- \
Definition of San Jose scale
: a scale insect (Quadraspidiotus perniciosus) probably of Asian origin that is naturalized in the U.S. and is destructive to fruit trees
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