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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