Citation: Claridge MF, J Den Hollander. 1983. The biotype concept and its application to insect pests of agriculture. Crop Protection 2 (1): 85-95.

Keywords: Taxonomy, genetics of host plant resistance, Oryza sativa, rice brown planthopper, Nilaparvata lugens, species, subspecies and local populations, genotype, biological strain, insect/plant interaction.