Strickland, A.H. 1947a Coccids attacking cacao (Theobroma cacao L.), in West Africa, with descriptions of five new species.. Bulletin of Entomological Research 38: 497-523.

Notes: A list of 44 scale insects, including the 5 new species, with collection and other notes; a supplementary list of 17 non-African cacao coccids.