Watanabe, C. 1958 Review of biological control of insect pests in Japan.. Proceedings of the Tenth International Congress of Entomology. Vol. 4. Ottawa 1115 pp.
Notes: [Conference held August 17-25, 1956 in Montreal, Canada] Target pests for biological control experiments include Ceroplastes rubens, Icerya purchasi, Pseudococcus spp., and Unaspis yanonensis.