| black flies (diptera: simuliidae) attracted to humans and water buffalos and natural infections with filarial larvae, probably onchocerca sp., in northern thailand. | several simulium species were investigated as to their biting habits and natural infections with filarial larvae at ban pan fan, chiang mai province, in northern thailand. female adults flies landing on or flighting around a human and a water buffalo were collected during the daytime from 06.00 to 19.00 hours on 22 june 2001. as a result, 217 s. nodosum, 86 s. asakoae and two s. nigrogilvum were obtained from a human attractant, and 416 s. nodosum, 25 s. nakhonense, 16 s. asakoae, four s. fenest ... | 2003 | 12669343 |