El-Minshawy, A.M., & Saad, A.H. 1976 Studies on Saissetia coffeae Wlk. 1. Biology of the Hamisphaerical (Hemisphaerical) dott scale, Saissetia coffeae Wlk. (Coccoidea, Coccidae).. Alexandria Journal of Agricultural Research 24: 515-521.
Notes: The biology of the different stages of Saissetia coffeae was studied in the laboratory with biological observations in the field. Cucurbita sp. was used successfully for these studies. The different stages of S. coffeae were illustrated and a brief description is given of each stage.