ICZN, 1983 Opinion 1247. Dactylopius Costa (Nov. 1829) and Pseudococcus Westwood, 1840 (Insecta, Homoptera): designation of type species.. Bulletin of Zoological Nomenclature 40: 77-80.

Notes: Dactylopius coccus and longispinus designated as type species; suppressed gen. name Diaprosteci Costa and species Coccus adonidum, Pediculus coffeae. The date of publication of Costa's Fauna del regno di Napoli, Famiglia de' coccinigliferi o de' gallinsetti, Emitteri (Napoli) is hereby ruled to be (Nov. 1829).