Tranfaglia, A. 1981 [Studies on Homoptera, Coccoidea: 5. Morpho-systematic notes on some species of cochineals with descriptions of 3 new species of Pseudococcidae.]. Bollettino del Laboratorio di Entomologia Agraria 'Filippo Silvestri'. Portici 38: 3-28.

Notes: [Original title: Studi sugli Homoptera Coccoidea. V. Notizie morfo-sistematiche su alcune specie di Cocconiglie con descrizione di tre nuove specie di Pseudococcidi.] An account is given of some Coccoidea from Italy and Greece collected during the years 1977-1980 or deposited in the collection of the Istituto di Entomologia Agraria di Portici (Naples). Records on host plants, localities, and notes on morphology and taxonomy are given for the following species: Allococcus euphorbiae, A. inamabilis, Antonina purpurea, Chorizococcus rostellum, Dysmicoccus brevipes, D.? mackenzei, Phenacoccus eschscholtziae, P. gossypii, Pseudococcus obscurus, Rhizoecus cacticans, Spilococcus cactearum, Kermes bacciformis, K. ilicis, K. roboris, K. vermilio, Ceroplastes rusci and C. sinensis. C. nerii is a junior synonym of C. rusci. Peliococcus vivarensis, Vryburgia rimariae and Spilococcus salviae are described as new. An Eriococcus? sp. nov. is described from Greece.