Kawecki, Z. 1968 An outline of the biology and the geographical distribution of the globose scale Sphaerolecanium prunastri (Fonsc.) (Coccoidea, Lecaniidae).. Bulletin de l'Academie Polonaise des Sciences 16: 689-693.

Notes: Compares S. prunastri with Lecanium corni and L. persicae; hosts.