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Evaluation of the chitin synthesis inhibitor triflumuron for controlling the tsetse Glossina morsitans morsitans (Diptera: Glossinidae)

Published online by Cambridge University Press:  10 July 2009

P.A. Langley
P.A. Langley
Affiliation:
Insect Investigations Ltd., School of Pure and Applied Biology, University of Wales, Cardiff, UK
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Abstract

Topical doses of triflumuron in acetone as low as 0.05 μg per fly induced a significant reduction in the production of viable offspring by adult Glossina morsitans morsitans Westwood, the effect being greatest in the two reproductive cycles following treatment. A dose of 0.5 μg terminated successful reproduction for the life of the fly. A single dose was as effective as the same dose split into five separate treatments. Exposure of females by tarsal contact during passage through a cotton cloth cone treated with 3% suspension concentrate of triflumuron was sufficient to terminate successful reproduction for at least four reproductive cycles following treatment. Males exposed to treated surfaces for 5 minutes could transfer effective amounts of triflumuron to females during mating for at least 2 days after treatment. Target materials, treated with 1% triflumuron in acetone and exposed to field conditions in Zimbabwe for 6 months (April to September), retained their ability to induce a peak abortion rate of 60–70% (40–45% overall) among females exposed by brief tarsal contact in the laboratory.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 85 , Issue 4 , December 1995 , pp. 495 - 500
Copyright
Copyright © Cambridge University Press 1995

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