Ferris, G.F. 1942 . Atlas of the scale insects of North America. Series 4. Stanford University Press Palo Alto, California

Notes: Descriptions and plates for 52 scale insects, 20 as new, including 34 diaspidines, 10 aspidiotines, and 8 phoenicococcines, in 28 genera, 1 presented as new; 2 new generic names proposed; supplementary notes on species in all 4 volumes (70 pp.); index to all 4 volumes.

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