Popova, A.I. 1962 [Biology of Prospaltella perniciosis Tow., a parasite of San Jose scale, and its use on the Black seacoast of the Krasnodar area.]. [Biological Method of Controlling Pests and Diseases of Agricultural Crops.] Izdatelstvo Selckokhozyaistvennoi Literaturi, Jhurnal i Plakatov Moscow

Notes: Aonidiella aurantii is the scale host discussed here.