Mitchell C J, Chen P S, Boreham P F
Bull World Health Organ. 1973;49(3):293-9.
Studies were made on the host-feeding patterns and behaviour of 4 Culex species in China (Province of Taiwan) to further assess their importance as vectors of Japanese encephalitis. A relatively unbiased, non-attractant technique (vacuum sweep-net) was used for collecting mosquitos resting outdoors on rural premises; blood meals from engorged specimens were identified by precipitin tests. Additional information was obtained by analysing data from related studies. Precipitin-test results indicated that C. annulus, C. tritaeniorhynchus, and C. fuscocephalus feed principally on mammals, the first species mainly on swine and the latter two largely on bovine hosts. Mosquito forage ratios suggested that the apparent preference of C. annulus for swine over bovine hosts might be a function of host density. C. annulus was found to be zoophilic, exophilic, and exophagic; however, in view of its abundance during the JE epidemic season, contact with human hosts may reach a significant level, even indoors. The other 3 species of Culex were considered to be of lesser importance as JE vectors during the 1971 epidemic season because of their host-feeding patterns and/or population densities.
在中国台湾地区，对4种库蚊的宿主摄食模式和行为进行了研究，以进一步评估它们作为日本脑炎传播媒介的重要性。采用了一种相对无偏差、无引诱剂的技术（真空扫网法）来收集农村房屋外休息的蚊子；通过沉淀试验鉴定饱血标本的血餐。通过分析相关研究的数据获得了更多信息。沉淀试验结果表明，环带库蚊、三带喙库蚊和棕头库蚊主要以哺乳动物为食，第一种主要以猪为食，后两种主要以牛为宿主。蚊子的觅食比例表明，环带库蚊对猪的明显偏好超过牛宿主可能是宿主密度的函数。发现环带库蚊嗜动物血、喜室外栖息和室外取食；然而，鉴于其在日本脑炎流行季节的数量众多，即使在室内，与人类宿主的接触也可能达到显著水平。在1971年流行季节，由于其他3种库蚊的宿主摄食模式和/或种群密度，它们被认为作为日本脑炎传播媒介的重要性较低。
