De Lotto, G. 1967 The mealybugs of South Africa (Homoptera: Pseudococcidae), I.. Entomology Memoirs, Department of Agricultural Technical Services, Republic of South Africa. Pretoria 12: 1-28.
Notes: [Summary in Afrikaans.] Five new genera; six new species; one new combination; redescriptions of four species; key to species of Vryburgia n. gen.