I use the dabbing method because it s easier to target the pests. You can also make a mealybug killer spray by diluting 1 cup of alcohol with 1 quart 1 l of water in a spray bottle and apply to the affected plant.
Mealybugs can be dislodged with a steady stream of water.
Mealybugs on plants treatment. This is often enough to knock off the mealybugs and keep their populations low. One way to kill mealybugs on houseplants is by touching them with a cotton swab that s been soaked in rubbing alcohol. Ash them away.
Repeat the treatment as necessary. If you spray it try not to soak the whole plant. 3 use a spray bottle to apply rubbing alcohol to large plants.
You can either dab it on the mealybugs with a cotton swab 1 part alcohol to 1 part water or spray it on 1 part alcohol to 6 parts water. Mealybugs tend to hide in hard to reach places so it s important you completely cover the plant you re treating with the rubbing alcohol. Fill the spray bottle with rubbing alcohol and spray it over the surface of large plants that are infested with mealybugs.
Alternatively dip a cotton swab in rubbing alcohol and dab the clusters of mealybugs on your plant s foliage stems and fruit. For individual plants hose them down with a strong blast of water from a garden hose. The alcohol zaps and kills the pests.
If you see mealybugs on your plants there are several control options. However you might find that it s better for your plants to use a commercial insecticidal soap than to make your own. Soapy sprays are one of the few effective treatments for mealybugs on plants.
Mealybugs like aphids and other scale insects feed on the sap of the plants and excrete honeydew. Aim it at the mealybugs. If the infected plant is too large or if you have several infected plants the best way to get rid of mealybugs is by making a solution of methylated spirit washing up liquid and hot water.
How to treat mealybugs on plants. 5 wash the plant with a gentle detergent and water to help control mealybugs. Honeydew is the top food source for ants and that s why they protect mealybugs from predators and transport them to other plants.
To get rid of mealybugs on plants dip a cotton swab in 70 rubbing alcohol and apply directly to the tiny fuzzy pests. Isopropyl alcohol kills many houseplant pests including mealybugs on contact. Spray the plants with this solution once a week for a month to get rid of the pest.
Dab the mealybugs with a cotton ball swab soaked in rubbing alcohol to dry the insects out. The rubbing alcohol will kill the bugs on contact but in order for it to be effective it must come in direct contact with the mealybugs.