Lit, I.L., Caasi-Lit, M.T., & Calilung, V.J. 1998 The mealybugs (Pseuodcoccidae, Coccoidea, Hemiptera) of eggplant (Solanum melongena Linn.) in the Philippines.. Philippine Entomologist 12: 29-41.

Notes: Review of Coccidohystrix insolita, Ferrisia virgata and Planococcus minor; taxonomic discussion; illustrations; key; synonymy; brief descriptions.