Borchsenius, N.S., & Tereznikova, E.M. 1959 [Two new species of mealy bugs of the genus Rhizoecus Künck. (Coccoidea, Pseudococcidae) of the Ukrainian fauna.]. Dopovidi Akademii Nauk Ukrainskoi SSR 3: 322-325.
Notes: R. pratensis, uniporus n. spp. Russian and English summaries.