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Response of an East African Mosquito, Culex pipiens fatigans Wied to Synthetic Oviposition Attractant Pheromone in the Laboratory at Mbita Point, Kenya, East Africa

Published online by Cambridge University Press:  19 September 2011

W. A. Otieno ,
M. J. Mutinga  and
B. R. Laurence
W. A. Otieno
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
M. J. Mutinga
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
B. R. Laurence
Affiliation:
Department of Medical Entomology, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, U.K.
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Abstract

Studies have shown that the East African mosquito strain, Culex pipiens fatigans, is attracted to a synthetic oviposition attractant pheromone in the laboratory. Chemical analysis has shown that the main volatile component of the apical droplets is (—)-(5R,6R) erythro-6-acetoxy-5-hexadecanolide. In contrast to the lack of response in the Sri Lankan strain of the same mosquito, the East African strain shows remarkable similarity in attraction response to the West African, American and Japanese strains of C. p. fatigans.

Résumé

Des études au laboratoire ont montré que l'espece Culex pipiens fatigans (souche de l'Afrique de l'Est) est attire par un attractant synthetique “pheromone d'oviposition”. Des analyses chimiques ont montré que l'element le plus volatile est le (—)-(5R,6R) erythro-6-acetoxy-5-hexadecanolide. Par contraste au manque de reponse chef la souche Sri-Lankaise de la même espece de moustique a l'attraction, la souche de l'Afrique de l'Est relexe une lemarquable ressemblance á celles de l'Afrique de l'Ouest, de l'Amerique et du Japon.

Keywords

AttractionpheromoneovipositionCulex pipiens fatigansEast African strainAttractionpheromoneovipositionCulex pipiens fatiganssouche de l'Afrique de l'Est
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 9 , Issue 2 , April 1988 , pp. 261 - 262
Copyright
Copyright © ICIPE 1988

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References

REFERENCES

Bruno, D. K. and Laurence, B. R. (1979) The influence of the apical droplet of Culex eggs rafts on oviposition of Culex pipiens fatigans (Diptera:Culicidae). J. med. Ent. 16, 300–305.Google Scholar
Laurence, B. R. and Pickett, J. A. (1985) An oviposition attractant pheromone in Culex quinquefasciatus Say (Diptera:Culicidae). Bull. ent. Res. 75, 283–290.Google Scholar