Abstract
These studies were conducted in China (Province of Taiwan) to assess the populations of known and potential mosquito vectors of Japanese encephalitis in a typical endemic area, and to evaluate a variety of sampling techniques, some of which were new. Culex annulus was found to be the predominant vector species in the study area during the epidemic season; C. tritaeniorhynchus was never abundant, and C. fuscocephalus was rare. C. annulus and C. tritaeniorhynchus were active throughout the year, although populations were at a low level during the cool season. The results show that attention must be given to C. annulus as a possible vector where it is present in JE foci. The collection of mosquitos during the early evening hours from buffalo bait tethered outdoors was found to be the most efficient and sensitive means of monitoring vector populations throughout the year. During the JE epidemic season remarkable results were obtained with a vacuum sweep-net.
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Selected References
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