Podsiadlo, E. 1974a Comparative morphological studies on populations of Asterodiaspis variolosum (Ratzeburg) (Homoptera, Coccoidea, Asterolecaniidae) from the Swietokrzyskie Mts. (Poland).. Annales Zoologici (Warsaw) 32: 75-102.

Notes: [Summaries in Polish and Russian]. Area and method of collection discussed; tables of comparison given; morphology of adult female and first instar nymph.