What Is This White Stuff On My Cactus?

What is this white stuff growing on my cactus and what do I do to treat it?

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1 Comment To "What Is This White Stuff On My Cactus?"

#1 Comment By luis_pr On 10/05/2021 @ 5:51 am

Possibly a cochineal scale infestation. You can usually remove the infestation with a good spray of water (outside with a hose but be careful not to use too much pressure and damage the cactus) and-or some insecticidal soap but a persistent infestation may require using an insecticide.

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