Wille, J.E. 1958 Control biológico de los insectos agrícolas en el Perú. [Biological control of the agricultural insects of Peru.]. Proceedings of the Tenth International Congress of Entomology. Vol. 4. Ottawa 1115 pp.
Notes: [Conference held August 17-25, 1956 in Montreal, Canada] Pest species mentioned in this review include Pinnaspis minor, Icerya purchasi and Saissetia oleae.