Coleman, G.A. 1903 Coccidae of the Coniferae, with the description of ten new species from California.. Journal of the New York Entomological Society 11: 61-85.

Notes: Descriptions of 10 new species and 1 new variety; list of 22 scale insects obtained from California conifers, including the 11 new ones; list of 56 other scale insects reported from conifers.