| onchocerciasis in benue state of nigeria iii: a study of bionomics of simulium damnosum (theobald) complex at manor. | results of a 12-month study (january-december 1981) on the breeding sites, incidence and infection rates of simulium damnosum in an area of benue state of nigeria endemic for human onchocerciasis are given. natural and artificial breeding sites are described. permanent and temporary breeding sites were recognized along the rivers in the study area and the intensity of rains was found to be the only factor which determined the permanency or temporary nature of a breeding site. all adult blackflie ... | 1983 | 6685714 |