Matesova, G.I. 1968a [New species of mealybugs (Homoptera, Coccoidea, Pseudococcidae) from east Kazakhstan.]. Entomologicheskoe Obozrenye 47: 151-159.

Notes: Trionymus vaginatus, T. orientalis, Atrococcus altaicus, Phenacocopsis stepposa, Heliococcus varioporus, and H. xerophilus n. spp.