Schaum, H. 1850 Coccides. In [A Report about the achievements/work in entomology during the year of 1849.] Bericht über die Leistungen in der Entomologie während des Jahres 1849.. Archiv für Naturgeschichte. Berlin 16: 248-249.

Notes: Review of papers published by Bärensprung, Burmeister, and Macquart; uses genus name Leucanium Ill. for Lecanium Ill. of other authors.