Belcari, A. 1991 Ulteriori acquisizioni sulla biologia e sulle possibilità di controllo in Toscana di Kermes vermilio (Planch). (Rynchota: Kermesidae). [Further observations on the biology and control of Kermes vermilio (Planch) (Rynchota: Kermesidae).]. Disinfestazione 8(6): 23-26.

Notes: [Conference held in Florence, October 10-12, 1991.] Topics discussed include the compositions and distributions of the populations during the study period (1990-1991).