studies on onchocerca gutturosa (neumann, 1910) and its development in simulium ornatum (meigen, 1818). i. observations on o.gutturosa in cattle in south-east england.
studies on onchocerca gutturosa (neumann, 1910) and its development in simulium ornatum (meigen, 1818). ii. behaviour of s. ornatum in relation to the transmission of o. gutturosa.