The attached image is an example of waxy scale on a camellia shrub. Scale insects attach themselves to the branch, and mine the sap from the plant. The waxy covering protects the scale from predators. Scale insects lay eggs under their shell. In the late spring season these eggs will hatch, and the emerging scale larve will start the cycle all over again. Waxy scale can easily be picked from the plant. Severe infestations can be controlled by treating the shrub with horticultural oil. Oils coat the scale, eventually suffocating the insect underneath. Additional treatments may be necessary if infestatons are heavy.
Maintaining healthy plants through good nutrition, and proper pruning will help reduce chances of scale developing in your landscape. The proactive approach is always the best alternative.
Leave a comment