Boratyński, K.L. 1970a On some species of 'Lecanium' (Homoptera, Coccidae) in the collection of the Naturhistorisches Museum in Vienna; with description and illustration of the immature stages of Parthenolecanium persicae.. Annalen des Naturhistorischen Museums. Wien 74: 63-76.

Notes: Taxonomic discussion; hosts; nine species from Vienna collection listed.