To remove mealybugs, pick them off with a toothpick or soft toothbrush. You can also use a cotton swab dipped in rubbing alcohol, but be careful; too much rubbing alcohol may damage the leaves. If all else fails, you may want to try a systemic insecticide formulated for indoor plants.
Then, why are there gnats around my Christmas cactus?
These little creatures feed off of fungus when your Christmas cactus gets overly wet – a rare occurrence in its natural climate but overwatering will cause this. The thing about fungus gnats is that they love wet soil!
Thereof, how do I get rid of cactus bugs?
If you’re more of a hands-off bug killer, you can dab a mealybug with rubbing alcohol or spray it with a mixture of liquid dish soap and water. After applying the soap, let it sit for a day and then gently rinse that area of the cactus.
What is a natural way to get rid of mealy bugs?
Mix 1 cup of rubbing alcohol with few drops of Dawn dish soap and 1 quart (32oz) of water. Pour the solution in the spray bottle. Spray the whole plant, not only where mealybugs are visible. Spray leaves well, top, and under and stems.