Kawecki, Z. 1958a Studies on the genus Lecanium Burm. Part V. The nut or thorn scale - Lecanium coryli (L.) sensu Marchal nec Sulc (Homoptera, Coccoidea, Lecaniidae).. Polskie Pismo Entomologiczne 27(1957): 40-69.

Keywords:

taxonomy

Notes: Accepts Marchal [1908] interpretation of species as valid; notes and rejects contrary interpretations of various authors; notes and rejects various suggestions of existence of subspecies and races.