Bartlett, B.R. 1969 The biological control campaigns against soft scales and mealybugs on citrus in California.. Proceedings First International Citrus Symposium. Vol. 2. University of California Riverside
Notes: [Conference held at the University of California, Riverside, March 16-26, 1968.] Species mentioned as targets of biological control include Asterolecanium variolosum, Coccus hesperidum, C. pseudomagnoliarum, Gossyparia spuria, Lecanium corni, Planococcus citri, Pseudococcus obscurus, P. maritimus, P. longispinus, Saissetia nigra and S. oleae.