Marotta, S. 1992a Ricerche su pseudococcidi (Homoptera: Coccoidea) dell'Italia centro-meridionale. [Research on pseudococcids (Homoptera: Coccoidea) from central Italy.]. Bollettino del Laboratorio di Entomologia Agraria 'Filippo Silvestri' 47(1990): 63-111.
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Notes: Abstract: New data on 32 species of mealybugs from Campania, Tuscany, Umbria and Sardinia; 11 species new to Italy are reported (Antonina graminis, Atrococcus cracens, Balanococcus orientalis, Dysmicoccus mackenziei, Heliococcus radicicola, Nipaecoccus delassusi, Peliococcus manifectus, Phenacoccus incertus, Phenacoccus mespili, Planococcus halli, Rhizoecus albidus and R. gentianae); Planococcus halli is considered dubius; Dysmicoccus pietroi and Phenacoccus neohordei are described as new species; synonymy; taxonomy; descriptions; hosts; habitat; geographical descriptions; key to 35 Italian genera of Pseudococcidae.