San Jose scale

noun San Jo·se scale \ˌsa-nə-ˈzā-, ˌsan-(h)ō-\

Definition of SAN JOSE SCALE

: a scale insect (Quadraspidiotus perniciosus) probably of Asian origin that is naturalized in the United States and is destructive to fruit trees

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San Jose, California

First Known Use: 1887

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