1. FUKUDA, H. and T. NAGATA (1969) Selective toxicity of several insecticides on three planthoppers. Jap. J. appl. Ent. Zool 13 : 142-149 (In Japanese with an English summary).
2. IWATA, T. and H. HAMA (1971) Green rice leafhopper, Nephotettix cincticeps UHLER, resistant to carbamate insecticides. Botyu-Kagaku 36 : 174-179.
3. KIMURA, Y. (1965) Resistance to malathion in the small brown planthopper, Laodelphax striatellus FALLEN. Jap. J. appl. Ent. Zool. 9 : 251-258 (In Japanese with an English summary).
4. KIMURA, Y. (1973) Resistance to BHC in the smaller brown planthopper, Laodelphax striatellus FALLEN, in Hiroshima prefecture. Chugoku Agricultural Research 47 : 123-124 (In Japanese).
5. KOJIMA, K., S. KITAKATA and A. SHIINO (1963) On the development and decline of resistance to malathion of the green rice leafhopper, Nephotettix cincticeps. Botyu-Kagaku 28 : 13-17.