Danzig, E.M. 1971 New and little-known species of mealy-bugs (Homoptera, Coccoidea, Pseudococcidae) from the Far East of USSR.. Entomologicheskoe Obozrenye 50: 366-391.

Notes: Inopicoccus new gen.; description of 17 new spp. & two little known spp.; key to the spp. of Heliococcus given; gen. Euripersia revised & Phenacoccopsis placed into the synonymy with it; four new syns. of Euripersia spp. Also published in Entomological Review 50: 207-220.