Sweetman, H.L. 1936 . The Biological Control of Insects. Comstock Publishing Company, Inc. Ithaca, N.Y. 461 pp.

Notes: Species listed include Pseudococcus nipae, Eulecanium coryli, Asterolecanium variolosum, P. filamentosus, P. gahani, P. citri, Eriosoma lanigerum, Aleurocanthus spiniferus, A. woglumi, Icerya purchasi, Aspidiotus destructor, Diaspis pentagona, and Eriococcus coriaceus.