cottony-cushion scale

(Animals) 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

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References in periodicals archive ?

Parasitization of the cottony-cushion scale in relation to host size.

Effect of soil treatments for cottony cushion scale (Hemiptera: Monophlebidae) control on Nylanderia fulva (Hymenoptera: Formidicae) survival and trailing activity

Bioecological and population studies of the cottony-cushion scale, Icerya purchasi Mask., and its natural enemies, Rodolia cardinaIis Mul.

Biocontrol program targets Asian citrus psyllid in California's urban areas

Riley was the guiding force behind one of the United States' earliest and most notable successes in biological control: importation in 1888-89 of the Vedalia beetle, Rodolia cardinalis, from Australia into California to battle the cottony-cushion scale, a pest threatening California's then-fledgling citrus industry.