Definition of cottony-cushion scale in English:

cottony-cushion scale

Line breaks: cottony-cushion scale


[mass noun]
  • An Australian scale insect with a large fluted cottony egg sac, infesting citrus trees. It threatened to destroy the Californian citrus industry until it was controlled by the introduction of the Australian vedalia beetle.
    • Icerya purchasi, family Margarodidae, suborder Homoptera
    More example sentences
    • In the late 1880s, for example, predaceous ladybird beetles imported from Australia had decimated the cottony-cushion scale insect that was consuming citrus crops in California.

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Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little