Otanes, F.Q., & Butac, F.L. 1935 A preliminary study of the insect pests of cotton in the Philippines with suggestions for their control.. Philippine Journal of Agriculture 6(2): 147-174.

Notes: Hosts and enemies of Ferrisia virgata are discussed. Hemichionaspis townsendi, Lecanium (Saissetia) nigra, Pinnaspis aspidistriae, Pseudococcus citri, P. filamentosus and Saissetia hemisphaerica are also mentioned.