Cottony cushion scale (Icerya purchasi) is an insect pest. It is a native of New Zealand and was first detected in Guam in 1997.
Icerya purchasi is a scale insect that feeds on several species of woody plants, most notably on Citrus and Pittosporum. It is now found worldwide where citrus crops are grown.
For more information about this plant pest, see the CABI data sheet.