Danzig, E.M., & Gavrilov-Zimin, I.A. 2009 Mealybugs of the genus Rhizoecus Künckel d'Herculais, 1878 (Homoptera: Pseudococcidae) of the fauna of Russia and adjacent countries. . Zoosystematica Rossica 18(2): 224–245
Notes: A key and a review of 15 species inhabiting the territory of the former USSR are given. Rhizoecus microtubulatus Gavrilov & Danzig sp. nov. from Astrakhan is described. All discussed species are briefly morphologically described and illustrated. The lectotype is designated for Rh. Vitis Borchsenius, 1949. Four new synonyms are established: Rhizoecus poltavae Laing, 1929 = Rh. Desertus Ter-Grigorian, 1967 syn. nov. = Rh. Pallidus Tereznikova, 1968 syn. nov.; Rh. Tritici Borchsenius, 1949 = Rh. Pratensis Borchsenius & Tereznikova, 1959 syn. nov.; Rh. Albidus Goux, 1942 = Rh. Gentianae Panis, 1968 syn. nov.