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Korean J Parasitol > Volume 7(1):1969 > Article

Original Article
Korean J Parasitol. 1969 Jun;7(1):29-31. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1969.7.1.29
Copyright © 1969 by The Korean Society for Parasitology
Insecticide tests for resistance on adults of Anopheles sinensis and Culex tritaeniorhynchus in Korea
Kwan Woo Lee
Department of Biology, Liberal Arts and Science College, Kyung Hee University, Seoul, Korea.
Abstract

During the summer season(July-August) in 1967, the insecticide tests for resistance on adult A. sinensis and C. tritaeniorhynchus were carried out in Gobu-Myun Jeongup-Gun, Chollapuk-Do, where many Japanese encephalitis cases occur every year.

1) The mortality by 4.0% DDT in A. sinensis was 88.9% and by 4.0% dieldrin was 84.4%. Therefore the LC-50 of DDT for A. sinensis was 1.75%, while LC-50 of dieldrin was 1.1%.

2) The mortality by 4.0% DDT in C. tritaeniorhynchus was 36.7%, and by 4.0% dieldrin was 6.0%.

3) The result indicates that A. sinensis in Korea is susceptible to DDT and resistant to dieldrin.

4) C. tritaeniorhynchus is highly resistant to both DDT and dieldrin.

Figures


Fig. 1
Concentration-mortality regression line of adult A. sinensis to DDT and dieldrin.

Tables


Table 1
Result of test for insecticide resistance in adult A. sinensis at Jeungup, Chollapukdo, 1967 (Jul.~Aug.)


Table 2
Result of test for insecticide resistance in adult C. tritaeniorhynchus at Jeungup, Chollapukdo, 1967 (Jul.~Aug.)


Table 3
Result of test for insecticide suceptibility in adult A. sinensis at Andong(1961) and Yangpyung (1962)


Table 4
Result of test for insecticide resistance in adult C. tritaeniorhynchus at vicinity of Pusan, Korea, 1964

References
1. Livadas GA, Georgopoulos G. Development of resistance to DDT by Anopheles sacharovi in Greece. Bull World Health Organ 1953;8(4):497–511.
 
2. World Health Organization. Wld Hlth Org Tech Rep Ser 1960;191:15–24.
3. Ree HI, Paik YH. Insecticide susceptibility tests on adults of Anopheles sinensis in Korea. Korean J Parasitol 1967;5(1):65–68.
 
4. Hwang CH, et al. Korean Cent J Med 1965;9(2):231–236.
5. World Health Organization. Wld Hlth Org Tech Rep Ser 1963;265:51–55.
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