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Observations on the Development of Setaria labiatopapillosa using New Techniques for Infecting Aedes aegypti with this Nematode

Published online by Cambridge University Press:  05 June 2009

G. S. Nelson
G. S. Nelson
Affiliation:
Division of Insect-Borne Diseases Medical Research Laboratory, Nairobi
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Extract

1.The common filarial parasite of cattle in Africa, Setaria labiatopapillosa, has been shown to develop in the mosquito Aedes aegypti. Third stage larvae reached maturity between the 8th and 10th days.

2.To avoid feeding mosquitoes on cattle new techniques were developed. Monkeys and rabbits were infected by transplanting adult living Setaria into then peritoneal cavities. Monkeys, rabbits and rats were also infected by either intraperitoneal or intravenous injections of suspensions of microfilariae extracted from the uteri of adult worms.

3.Mosquitoes fed on these substitute hosts were readily infected with the Setaria.

4.Mosquitoes were also infected by feeding them on a suspension of microfilariae through membranes of guineapig omentum; the microfilariae were extracted from the uteri of adult worms and suspended in fresh defibrinated rabbit's blood.

A few mosquitoes were infected by intrathoracic injections of uterine microfilariae.

Type
Research Article
Information
Journal of Helminthology , Volume 36 , Issue 3 , September 1962 , pp. 281 - 296
Copyright
Copyright © Cambridge University Press 1962

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