[kot-n-ee koo sh-uh n]
- a scale insect, Icerya purchasi, native to Australia, now a common pest in the citrus-growing regions of California.
Origin of cottony-cushion scale
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a small scale insect, Icerya purchasi, that is a pest of citrus trees in California: it is controlled by introducing an Australian ladybird, Rodolia cardinalis, into affected areas