Ciampolini, M., Lupi, D., & Suss, L. 2002 Pseudococcus viburni (Signoret) in apple orchards in central Italy.. Bollettino di Zoologia Agraria e di Bachicoltura (Milano) 34(1): 97-108.

Notes: Pseudococcus viburni (Signoret) has been found in apple orchards on the coast near Viterbo (Italy). Biological information on the insect, damages and possibility of control are reported.