Foldi, I., & Lambdin, P.L. 1995 Ultrastructural and phylogenetic assessment of wax glands in pit scales (Homoptera: Coccoidea).. International Journal of Insect Morphology & Embryology 24(1): 35-49.

Notes: Abstract: TEM/SEM and computerized images of 5 wax glands for 3 type species of Coccoidea (Homoptera): Asterodiaspis variolosa, Cerococcus quercus and Lecanodiaspis sardoa; significant morphological differences discussed.