Lagowska, B. 1994 Obserwacje nad rozwojem Eulecanium douglasi (Sulc) (Homoptera, Coccidae) i jego pasozytami. [Notes on the life history of Eulecanium douglasi (Sulc) (Homoptera, Coccidae) and its parasites.]. Annales (Universitatis Mariae Curie-Sklodowska, Lublin, Poland) 49 (Section C): 191-194.
Notes: Hosts include Alnus, Betula, Corylus, Populus, Ribes, Salix, Sorbus, Sorbaria and Spirea; causes severe injury to Ribes grossularia.