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Biological Control of Anopheles sinensis with Native Fish Predators (Aplocheilus and Aphyocypris) and Herbivorous Fish, Tilapia in Natural Rice Fields in Korea
Author(s) -
KIM Heung Chul,
LEE Joon Hak,
YANG Kyung Hyung,
YU Hyo Sok
Publication year - 2002
Publication title -
entomological research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 20
eISSN - 1748-5967
pISSN - 1738-2297
DOI - 10.1111/j.1748-5967.2002.tb00037.x
Subject(s) - biology , tilapia , anopheles sinensis , predation , larva , paddy field , biological pest control , nile tilapia , anopheles , mosquito control , veterinary medicine , fishery , oreochromis , ecology , fish <actinopterygii> , malaria , medicine , immunology
A confined field experiment was conducted to investigate biological control of malaria and inland filariasis vector, Anopheles sinensis Wied. by combined use of larvivorous fishes, Aplocheilus latipes or Aphyocypris chinensis and herbivorous, Tilapia mossambicus niloticus in natural rice fields at Banwol near Suwon, Gyeonggi province from June through October, 1989. In the presence of naturally breeding Aplocheilus at the density of 0.8 fish/m 2 water surface, the natural control of Anopheles larvae ranged 34.4% to 51.6% from June through August; later supplemental introduction of herbivore (Tilapia) at the release rate of 1‐pair per 10 m 2 resulted in 67.8% increased to 80.0% control of Anopheles sinensis in 3rd and 5th week respectively. In a combined fish release at the rate of 1.0 fish/m 2 of Aphyocypris and 1‐pair/10 m 2 of Tilapia produced 67.3% and 82.1% mosquito larval reduction in 3rd and 5th week periods, respectively. The similar pattern of gradual but significant suppression of mosquitoes was also evident in separate rice paddy in 4‐5 week period, maintaining ca. 75‘82% for the subsequent mosquito breeding season in comparison with control plot.