San Jose scale

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

Definition of San Jose scale

  1. :  a scale insect (Quadraspidiotus perniciosus) probably of Asian origin that is naturalized in the U.S. and is destructive to fruit trees

Origin and Etymology of san jose scale

San Jose, California

First Known Use: 1887

Learn More about san jose scale

Seen and Heard

What made you want to look up San Jose scale? Please tell us where you read or heard it (including the quote, if possible).