Behdad, E. 1956 [Injurious insects in forest plantings of the Derkul Station for shelter belt forests.]. Trudy Akademiia nauk SSSR. Institut lesa. 30: 343-363.

Notes: Species mentioned include Kermococcus roboris, Asterolecanium variolosum, Lepidosaphes ulmi, Lecanium corni and Sphaerolecanium prunastri.