Williams, D. J., D. Matile-Ferrero, and D. R. Miller. “A Study of Some Species of the Genus Stictococcus Cockerell (Hemiptera: Sternorrhyncha: Coccoidea: Stictococcidae), and a Discussion on Stictococcus vayssierei Richard, a Species Injurious to Cassava in Equatorial Africa With Adescription of a New Species from Nigeria”. Zootaxa, vol. 2527, no. 1, July 2010, pp. 1–27, doi:10.11646/zootaxa.2527.1.1.