Black scale on under side of daphne plant

What should I spray it with?

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1 Comment To "Black scale on under side of daphne plant"

#1 Comment By GKH_Susan On 12/21/2019 @ 4:12 am

Adult scale insects are protected with a waxy covering and are not controlled well with common contact insecticide sprays. Contact sprays can be used during the early/immature stage of the insect pest life cycle, called "crawler" stage, usually in early spring. You can try a systemic insecticide that penetrates the leaf and translocates into the sap that the pests are feeding on. Below are more options:

https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm ^[1]

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