Beffa, G.D. 1937 Cronaca delle malattie e dei parassiti osservati nell'anno 1937. [Report of diseases and parasites observed during 1937.]. Bollettino del Laboratorio sperimentale e R. Osservatorio di fitopatologia. Torino 14: 63-70.

Notes: Monthly notes on insects and damage; scale species mentioned include Diaspis pentagona, D. leperii, D. cymbidii, Aspidiotus nerii, A. hederae, Chionaspis euonymi, Icerya purchasi, Kermococcus vermilio, Lepidosaphes pinniformis, Chrysomphalus dictyospermi, Pseudococcus adonidum and Aulacaspis rosae.