Sanders, J.G. 1909b The euonymus scale (Chionaspis euonymi Comstock).. United States Department of Agriculture Circular 114: 1-5.
Notes: Description; hosts and distribution; control.
Sanders, J.G. 1909b The euonymus scale (Chionaspis euonymi Comstock).. United States Department of Agriculture Circular 114: 1-5.
Notes: Description; hosts and distribution; control.