Scales suck your plants juices, stunting the plants growth and they secrete a sticky honeydew which attracts ants and other pests. If it becomes necessary, spray or dip using malathion as directed. Soil insects are noticed when brought to the surface during watering. Adults and larvae of several insects may fly or crawl around on the soil surface. In most cases they do no real harm to the plant.
Large populations can cause wilting and poor plant growth due to minor root pruning.
A soil drenching with insecticidal soap will usually solve the problem. Systemic insecticides are usually effective. They can however cause damage to the root system of the plant as they burrow to build their nest. A soil drenching with insecticidal soap will usually solve the problem. Systemic insecticides are usually effective as are malathion and diazinon.