cottony-cushion scale

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cottony-cushion scale

n
(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
References in periodicals archive ?
The most notable are cottony cushion scale, Icerya purchasi (Maskell) (Hemiptera: Monophlebidae), suppression by the coccinellid Rodolia cardinalis Mulsant in hot desert areas, and the parasitic fly Cryptochaetum iceryae (Williston) (Diptera: Cryptochaetidae) in cooler coastal zones (Quezada and DeBach 1973).
La muerte de ramillas se observo cuando el hemiptero se presento conjuntamente con el chapulin, Melanoplus diferentialis, las escamas, Icerya purchasi y Saissetia olea.
Feeding on Ricinus communis, Capparis spinosa and Solanum luteum caused >50% mortality and deformation of parasites in 88, 55, and 46% of the infections, respectively (42), Malva nicaeensis and the honeydew of Icerya purchasi produced thriving parasitaemias (42).
30) O primeiro caso de sucesso de controle biologico classico foi obtido com a importacao da joaninha Rodolia cardinalis pelos Estados Unidos da Australia, sendo introduzida em 1988 nos pomares de citros da California para o controle da cochonilha Icerya purchasi.