Russo, A. 1994 A new species of Phenacoccus Cockerell (Homoptera: Coccoidea: Pseudococcidae) on fir-tree (Abies alba Miller) from Italy.. Annales de la Societe Entomologique de France (N.S.) 30(3): 279-282.

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taxonomy

Notes: Summary/abstract in: French. Abstract: Description and illustration of adult female of Phenacoccus longoi, new sp.; key to nine species of genus provided.