Washington, J.R., & Walker, G.P. 1990 Histological studies of California Red Scale (Homoptera: Diaspididae) feeding on citrus.. Annals of the Entomological Society of America 83(5): 939-948.

Notes: Abstract: Observations of citrus leaves, fruit and green twigs infested with Aonidiella aurantii; descriptions of stylet bundle, stylet length, frequency of stylets terminating in different tissues, pattern of damaged and healthy cells; parenchyma is the major feeding site; vascular tissue seems to be avoided by stylets, especially in leaves. Keywords: histology.