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韓國産 各地方「집파리」(Musca domestica L.) 의 殺蟲劑에對한 抵抗性

Insecticide Resistance of Korean Houseflies (Musca domestica L.) collected from different regions

중앙의학 1962년 2권 1호 p.111 ~ 116
김승두, 具燾書,
소속 상세정보
김승두 (  ) - 首都 醫科大學 豫防醫學敎室
具燾書 (  ) - 首都 醫科大學 豫防醫學敎室

Abstract


It is a well known fact that the development of insecticide resistance by houseflies is of worldwide occurrence.
As to the resistance problem of Korean houseflies, Wheeler et al. first reported in 1956 that the flies of the Seoul district were less tolerant to insecticides than of Japan, where flies showed a high degree of tolerance. In the following year, Pack observed that DDT resistance of houseflies in Seoul city was, about the same as Standard Strain at the Orlando Laboratory, USA. Since: then complaints occasionally have been made by the field sanitarians of large cities about the unsatisfactory results of insecticide spraying, but no such complaints have been heard from rural towns.
Although the countrywide campaigns for insect control have been continuous for the past 15 years, it is probable that the urban areas have had more DDT-spraying than in the rural districts. This fact may contribute to the diversity of insecticide tolerance of houseflies between large cities and rural towns or villages.
This study therefore was undertaken to find how much insecticide susceptibility differs among housefly populations of different regions.
Common houseflies were collected from five different localities, viz., Seoul, Yungi, Yungdong,Yungchon, and Chunhan, and bred in the laboratory for five generations.
Three kind of insecticides, p, p´-DDT, malathion and dieldrin were topically
applied to the flies. For this, a Trevan´s microsyringe was used by dropping each given amount of toxicant to the dorsum of individual flies. The test concentrations represented by microgram unit(ug) of each toxicant prepared through serial dilution with acetone were as follows
p, PI-DDT…120, 60, 30. 15
Malathion…3, 1.5, 0.6, 0.3
Dieldrin…6, 3, 0.6, 0.3
Each test ran with 40 flies. Following the test, the flies placed in a 400 ML glass beaker covered with double layers of gauze and observed for their 24 hour´s knockdown effects. At the same time control groups were treated with 6 x 10-5cc of acetone only. Mortalities of test flies were calculated by Bliss Probit method.

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