Săvescu, A.D. 1944 Formes écologiques des lecanides de la faune Roumaine.. Bulletin de la Section Scientifique, Academie Roumaine, Bucarest 27: 230-246.

Notes: Discusses 15 ecological forms of Eulecanium corni, including new ecoforms E. c. sojae and E. c. aceris and 5 ecological forms of E. coryli.