If not, try soil drenching with a soap solution. Should this not work then wash off the roots and repot in sterilized soil. Mealy Bugs Heavily infested foliage should be removed and the plants misted frequently. Remove large mealy bugs before they lay their white fluffy egg masses. Drench the soil with a soap solution, and if the infestation persists, clean the roots and repot in sterilized soil.
Millipedes Clean the roots and repot in sterilized potting soil.
In greenhouses, keep benches and floors clean. Scales Prune off heavily infested foliage and hand pick large scales. Mist foliage frequently with a soap solution until the problem clears up. Ornamental Trees and Shrubs Bronze Birch Borer Infested trees showing advanced top and branch kill should be removed and destroyed between late fall and spring. Most municipalities where DED exists have control teams to identify and eliminate the infected trees.