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Cottony cushion scale: the pest that launched a pest control revolution; Diaspididae of the World; Scale Insect Forum Archived 2020-09-30 at the Wayback Machine; Scales of southeastern U.S. woody ornamentals; On the University of Florida / Institute of Food and Agricultural Sciences Featured Creatures website: Ceroplastes rubens, red wax scale
Coccus hesperidum is a soft scale insect in the family Coccidae with a wide host range. It is commonly known as brown soft scale. It has a cosmopolitan distribution and feeds on many different host plants. It is an agricultural pest, particularly of citrus and commercial greenhouse crops.
Icerya purchasi (common name: cottony cushion scale) is a scale insect that feeds on more than 80 families of woody plants, [1] most notably on Citrus and Pittosporum. Originally described in 1878 from specimens collected in New Zealand as pests of kangaroo acacia and named by W.M. Maskell "after the Rev. Dr. Purchas who, [he] believe[d], first ...
Diaspididae is the largest family of scale insects with over 2650 described species in around 400 genera. As with all scale insects, the female produces a waxy protective scale beneath which it feeds on its host plant.
The adult female Metaphycus helvolus seeks out suitable scale hosts.Its most important host is Mediterranean black scale (Saissetia oleae), but it also parasitises brown soft scale (Coccus hesperidum), nigra scale (Parasaissetia nigra), hemispherical scale (Saissetia coffeae) and European fruit lecanium (Parthenolecanium corni).
The younger beetle larvae crawl under the adult scale insect's protective scale, feeding on the scale nymphs before they disperse. [4] These insects are a pest of citrus, sucking the sap from the plants, and the ladybirds have been used in biological pest control, in order to reduce the number of scale insects in the crop. [2]