Korean J Parasitol.  2002 Sep;40(3):139-148. 10.3347/kjp.2002.40.3.139.

A mark-release-recapture experiment with Anopheles sinensis in the northern part of Gyeonggi-do, Korea

Affiliations
  • 1Department of Parasitology, National Institute of Health, Seoul, Korea
  • 2Animal Teaching Hospital, Kangwon National University, Chuncheon, Korea.
  • 3Health Division, Personal and Welfare Bureau, Ministry of National Defense, Seoul, Korea.

Abstract

In order to study the range of flight and feeding activity of Anopheles sinensis, the dispersal experiment was conducted in Paju city, located in the northern part of Gyeonggi-do, Republic of Korea, during the period of 7th to 28th September 1998. Unfed females An. sinensis were collected in cowshed and released after being marked with fluorescent dye at 23:00 hours on the same day. Released female mosquitoes were recaptured everyday during 21 days using light traps, which were set at 10 sites in the cowsheds located 1, 3, 6, 9 and 12 km north-northwest and north-northeast and at 3 sites located 1, 6 and 9 km toward south-west from the release point. In addition, to study the longest flight distance in one night, we set the light traps at 16 and 20 km toward north-northeast from the release site. All the collected mosquitoes were placed on filter papers and observed on UV transilluminator after treatment with one drop of 100% ethanol. Out of 12,773 females of An. sinensis released, 194 marked females mosquitoes were recaptured, giving 1.52% recapture rate. Of 194, 72 mosquitoes (37.1%) were recaptured in light traps from three places set at 1 km from the release point, 57 mosquitoes (29.4%) from two places at 1-3 km, 41 mosquitoes (21.1%) from three places at 3-6 km, 20 mosquitoes (10.3%) from three places at 6-9 km, and 4 mosquitoes (2.1%) from two places at 9-12 km. Since 170 female mosquitoes (87.6%) out of 194 marked mosquitoes were captured within 6 km from the release point, this flight radius represents the main activity area. An sinensis was found to be able to fly at least 12 km during one night.

Keyword

Plasmodium vivax; Anopheles sinensis; mark-release-recapture; dispersal

MeSH Terms

Animals
Anopheles/*physiology
Entomology/methods
Feeding Behavior
Female
*Flight, Animal
Fluorescent Dyes
Korea
Support, Non-U.S. Gov't
Time Factors
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