Marotta, S., Russo, A., & Matile-Ferrero, D. 1997 Phenacoccus asphodeli Goux, 1942 a rare Mediterranean species newly found in Italy (Homoptera: Coccoidea: Pseudococcidae).. Annales de la Société Entomologique de France 33: 435-439.
Notes: Phenacoccus asphodeli Goux, 1942 (Homoptera, Coccoidea, Pseudococcidae) is redescribed and illustrated. The lectotype is here designated. The species is newly recorded from Italy. Phenacoccus mutinensis Menozzi, 1933, lectotype here designated, is transferred to the genus Heliococcus; it becomes Heliococcus mutinensis (Menozzi) comb. n. Heliococcus mutinensis (Menozzi, 1933) syn. n. is synonymized with Heliococcus bohemicus Sulc, 1912. A key for the identification of the Italian species of Phenacoccus is given.