Fortusini, A., Scattini, G., Prati, S., Cinquanta, S., & Belli, G. 1999 Transmission of grapevine leafroll virus 1 (GLRV-1) and grapevine virus A (GVA) by scale insects.. International Council for the study of Viruses and Viruslike diseases of the Grapevine 12th ICVG Meeting: 121-122.

Notes: [Meeting held in Lisbon, Sept. 28 - Oct. 2, 1997.] Neopulvinaria innumerabilis, Parthenolecanium corni, P. persicae and Pulvinaria vitis were present in the vinyards and tested in these experiments to verify their ability to transmit viruses.