Citation:

21 Ryoiti Kisimoto. 1969. Ecology of insect vectors, forecasting, and chemical control. Pages 243-255. In: SH Ou and KC Ling (editors). The Virus Diseases of the Rice Plant. Proceedings of a Symposium held at the International Rice Research Institute, Los Baños, Philippines, April, 1967 and published by the Johns Hopkins Press, Baltimore, Maryland, 354 pages.

Keywords: Oryza sativa, insect migration, annual cycle of generations, diapause and overwintering, Nephotettix cincticeps, Laodelphax striatellus, geographic variation of diapause induction, habitats of the first generation, migration of adults of the first generation into nursery beds and rice fields, population dynamics of vector insect generations, long-term fluctuation in population density, virus transmission in relation to ecology of vectors, main transmission period, correlation between vector density and occurrence of virus diseases, forecasting vector density and virus occurence