Tereznikova, E.M. 1967 Redescription of the genus Psilococcus Borchs. (Homoptera, Coccoidea) of the USSR fauna.. Vestnik Zoologii. Institut Zoologii Akademiya Nauk Ukrainskoi SSR. Kiev 4: 22-27.
Notes: Redescribes P. ruber and P. parvus.
Tereznikova, E.M. 1967 Redescription of the genus Psilococcus Borchs. (Homoptera, Coccoidea) of the USSR fauna.. Vestnik Zoologii. Institut Zoologii Akademiya Nauk Ukrainskoi SSR. Kiev 4: 22-27.
Notes: Redescribes P. ruber and P. parvus.