Newstead, R. 1906 General entomology. (Identification of Egyptian insect pests; list of other known African species; preliminary report on collection of insects sent from Khedival Agricultural Society for identification).. Quarterly Journal, Institute of Commercial Research in the Tropics. University of Liverpool 1: 68-72.

Notes: Report on identifications, including 29 scale insects with nomina nuda new species names; Sphaerococcus draperi n. sp.; list of 39 other African scale insects, including some nomina nuda species.