Apply the solution directly on the mealybug. Avoid contacting the succulent. Treatment of mealybugs. Because mealybugs are very difficult to control, you need to use a stronger chemical to kill them. Ants are relatively easy to get rid of, but they tend to be recurring. But not all succulents are suitable for hanging baskets. 3. These succulents were initially only found in dry deserts. They are often found under or near plants. However, shaking lightly will eventually bring them out. Both situations will cause leaf drop, but under-watered leaves may appear flattened and shriveled.