nigra scale

noun
nig·​ra scale | \ ˈnigrə-\

Definition of nigra scale

: a coccid (Saissetia nigra) that is a serious pest on cotton, coffee, and other plants of warm temperate regions

History and Etymology for nigra scale

New Latin nigra (specific epithet of Saissetia nigra, species of coccid), from Latin, feminine of niger black, dark

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