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How do rid my cactus of mealy bug pests?

Last Updated: Apr 19, 2016  |  32 Views

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Cacti can sometimes become infested with mealybugs. "Mealies," as they are often referred to, are tiny insects about 0.1 inches (3mm) in length, which shroud themselves in a oval-shaped, cottony covering.  Mealybugs live their entire adult lives within their cottony fortresses, dining on your plant. A plant infested with mealybugs will stop growing, weaken, and often eventually succumb to rot.

Mealybugs' cottony coverings protect them from predators and contact pesticides. Minor infestations can be handled by dabbing with a cotton swab that has been dipped in rubbing alcohol. The alcohol dissolves the covering, leaving them defenseless. You can also simply wipe away smaller infestations. For more severe problems you will have to treat a several times over a few weeks.  


For tips on a variety of gardening topics, see our Plant Information Guides.
- Courtesy of NYBG Plant Information Service


Answered by Anita FinkleBookmark and Share

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