Fitch, A. 1857b 139. - Circular bark louse, Aspidiotus circularis, new species; 140. - Currant bark louse, Lecanium ribis, new species. (Homoptera. Coccidae) In Third report on noxious and other insects of the state of New York.. Transactions of the New York State Agricultural Society with an Abstract of the Proceedings of the County Agricultural Societies 16(1856): 426-427.

Keywords:

diagnosis

taxonomy

Notes: (139) Very brief description [possibly same as A. ancylus]; (140) brief description [L. corni acc. to Sanders].