Danzig, E.M. 1968 Contribution to the fauna and biology of scale insects and white-flies (Homoptera, Coccoidea, Aleyrodoidea) from northern Karelia.. Entomologicheskoe Obozrenye 47: 499-504.

Notes: Records 21 scale insect species; notes on biology and ecology; hosts; also published in English in Entomological Review 47: 515-516.