China Girl/Boy hollies have white, rice-grain-sized bumps on leaf undersides.
Non-moving insects under protective shells sucking plant juices. Common on holly.
Spray horticultural oil (SunSpray) or biorganic oil heavily on leaf undersides. Regular insecticides fail—shell protects them. Oil smothers. Spray 3-4 times weekly. Dead scale dislodge with water spray.
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