Pulvinaria floccifera
Pest description and damage The most visible stage of the cottony camellia scale is the adult female that resembles a flat 0.125 inch diameter scale often found on the underside of a leaf. Emerging from beneath the adult female is an oblong cottony white egg mass that can be up to twice the length of the adult scale. The cottony camellia scale (sometimes called taxus scale) crawlers are flat brownish or yellowish sucking insects. Foliage with scale infestations may turn yellowish or pale in color. Due to copious honeydew, leaves below are covered with a crust of black sooty mold. The cottony camellia scale also is in camellia and many other hosts. On yew, it is known as the cottony yew scale. It is possible to have low numbers of this insect for years without an outbreak.
For biology, life history, monitoring and management
See:
Camellia (Camellia)-Cottony camellia scale
Management-chemical control
See Table 1 in: