Gill, S.A., Miller, D.R., & Davidson, J.A. 1982 Bionomics and taxonomy of the Euonymus scale, Unaspis euonymi (Comstock), and detailed biological information on the scale in Maryland (Homoptera: Diaspididae).. University of Maryland, Agricultural Experiment Station, Miscellaneous Publication 969: 1-36.

Notes: Detailed study; economic importance; description of all stages of both sexes; host and distribution; natural enemies.