Alessandra Rung, Scale Insects, USDA APHIS ITP, Bugwood.org
Cottony citrus scale
Pulvinaria polygonata

Cottony citrus scale (Pulvinaria polygonata) is an insect pest of citrus. It is a native of Australia and was first detected in California in the late 1860's.

The Vedalia Beetle and the Parasitic Fly are common biocontrols.
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