Ferris, G.F. 1937 . Atlas of the scale insects of North America. Stanford University Press Palo Alto, California S1 - S136.
Notes: Descriptions and plates of 101 diaspidine scale insects, 10 as new species, in 34 genera, 4 presented as new. This volume and volumes 2, 3, and 4 are made up of sets of independent units given serial numbers. Each unit usually consists of a title page plus one to three unnumbered pages on which a genus or species is discussed and illustrated. A few of these units include several numbered pages. Each volume includes an undesignated 1-page list of the serial numbers together with the scale names or other subject matter associated with each serial number.)