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Somchai Isichaikul. 1994. Studies on the environmental factors influencing on microhabitat and wing polymorphism in the rice brown planthopper, Nilaparvata lugens (Stal) (Homoptera : Delphacidae). , Ehime University;
Somchai Isichaikul. (1994) Studies on the environmental factors influencing on microhabitat and wing polymorphism in the rice brown planthopper, Nilaparvata lugens (Stal) (Homoptera : Delphacidae) . Ehime University/Matsuyama.
Somchai Isichaikul. Studies on the environmental factors influencing on microhabitat and wing polymorphism in the rice brown planthopper, Nilaparvata lugens (Stal) (Homoptera : Delphacidae). . Matsuyama:Ehime University, 1994.
Somchai Isichaikul. (1994) Studies on the environmental factors influencing on microhabitat and wing polymorphism in the rice brown planthopper, Nilaparvata lugens (Stal) (Homoptera : Delphacidae) . Ehime University/Matsuyama.