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Population Dynamics of Malaria Vector Mosquito Anopheles sinensis in Kyongbuk, Korea (1996-1998)

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Author(s)
주종윤
Alternative Author(s)
Joo, Chong Yoon
Publication Year
2002
Keyword
Anopheles sinensisCulex tritaeniorhynchusCulex pipiens pallensSeasonal prevalencePopulation dynamicsKyongbuk Province
Abstract
In order to study the population dynamics of malaria vector mosquitoes,
Anopheles sinensis, average numbers of female mosquito per trap-night were
enumerated during the period of 3 years from 1996 to 1998. As in the general patterns
of seasonal prevalence, Anopheles sinensis was first collected between late
March and mid-May and was trapped in large numbers between 27th June and
19th July, showing a simple sharply pointed one-peaked curve. On the other hand,
Culex pipiens pallens was found to be active thoughout almost entire season,
showing irregular curves with several peaks. Culex tritaeniorhynchus first
appeared between 8th June and 14th July and was trapped in large number during
the period September of 5th and 18th, The number of trapped mosquitoes
began to decrease from early October and a few were collected until early
November in 1996 and 1998. The average number of Anopheles sinensis rapidly
decreased in July as compared with average standard year, and the number was
particular low in 1996. The number of Culex tritaeniorhynchus in September was
158.9 per trap-night in 1996, however, abruptly decreased to 80.8 in 1997 and
then increased to 237.4 in 1998. The total number of Culex pipiens pallens
abruptly increased during the 3 months from May to July in 1997, followed by a
decrease. A marked decrease on mean percent index (MPI) was obtained in 1998.
The above results indicate that the population density of Anopheles sinensis and
Culex tritaeniorhynchus in Kyongbuk Province was increasing during the three
years from 1996 to 1998, while Culex pipiens pallens abruptly decreased in 1998.
Department
Dept. of Medical Genetics (의학유전학)
Publisher
Keimyung University School of Medicine
Citation
Keimyung Medical Journal, Vol.21(1) : 7, 2002
Type
Article
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/15235
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