Mann, W.H. 1922 Notes on a collection of West African myrmecophiles.. Bulletin of the American Museum of Natural History. New York 45: 623-630.

Notes: Lists Pseudococcus citri var. congoensis Newst. nom. nud., Pseudococcus crassipes Newst., nom. nud. Lecanium (Saissetia) barteriae Newst. nom. nud., and Stictococcus formicarius.