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Régulateur de croissance et piégeage Pour la lutte contre Glossina palpalis palpalis en Côte d'Ivoire: Essai sur le terrain de l'OMS 3019 (Pyriproxyfen ® Sumitomo)

Published online by Cambridge University Press:  19 September 2011

Claude Laveissiere  and
Bocar Sane
Claude Laveissiere
Affiliation:
Institut Pierre Richet/OCCGE, BP 1500, Bouaké, Côte d'Ivoire
Bocar Sane
Affiliation:
Institut Pierre Richet/OCCGE, BP 1500, Bouaké, Côte d'Ivoire
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Abstract

In the forest zone of Côte d'Ivoire, Vavoua's traps and supports treated with pyriproxyfen® (Sumitomo) have been tested against Glossina palpalis palpalis. The supports were impregnated one time only at the dosage of 2 mg/cm2.

This juvenile hormone mimic acting as growth regulator has a good efficacy: apparent density was reduced by 87% after 2 months and was maintained at this level for 150 days; percentage of nulliparous females was equal to 0 between 40th and 120th days.

Pyriproxyfen may be recommended for the control of animal trypanosomiasis vectors—if it costs less than the insecticides; its slow effect on tsetse population does not favour its use for the control of human African trypanosomiasis which needs a drastic and immediate reduction of Glossina densities.

Résumé

Un essai de lutte contre Glossina palpalis palpalis a été mené dans la zone forestière de Côte d'Ivoire utilisant des pièges Vavoua et des supports imprégnés de pyriproxyfen® (Sumitomo) à la dose de 2 mg/cm2, sans réimprégnation ultérieure.

Ce régulateur de croissance possède une bonne efficacité: la densité apparente a été réduite de 87% après 2 mois et maintenue à un faible niveau durant 150 jours; le pourcentage de femelles nullipares est resté nul entre les 40ème et 120ème jours.

Ce produit doit être recommandé dans le cadre de la lutte contre les glossines vectrices de trypanosomes animaux si son coût est compétitif avec celui des insecticides; toutefois son action plus lente que ces derniers empêche de l'utiliser pour la lutte contre la trypanosomiase humaine qui exige une réduction drastique et immédiate des populations de vecteurs.

Keywords

Trypanosomiaseglossinesluttepiégeagerégulateurs de croissanceTrypanosomiasistsetsecontroltrappinggrowth regulator
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 15 , Issue 1 , February 1994 , pp. 105 - 110
Copyright
Copyright © ICIPE 1994

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References

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