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Field and Laboratory Evaluation of Bioefficacy of an Insect Growth Regulator (Dimilin) as a Larvicide Against Mosquito and Housefly Larvae

Msangi, S. , Lyatuu, E. and Kweka, E. J. (2011) Field and Laboratory Evaluation of Bioefficacy of an Insect Growth Regulator (Dimilin) as a Larvicide Against Mosquito and Housefly Larvae. Journal of Tropical Medicine . ISSN 1687-9686

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Abstract

The inhibitory function of Dimilin (Diflubenzuron), mostly a chitin synthesis regulator, on the ecdysis of mosquitoes (Anopheles gambiae s.l., Culex quinquefasciatus) and housefly was evaluated in the field and in laboratory. Three formulations of Diflubenzuron were evaluated in this study: Dimilin, Wettable powder (25%), Dimilin granules (2%), and Dimilin tablets (2%). The laboratory and field evaluation used different rates of concentrations of these formulations. Generally, at higher dosages larvae developments, eggs hatchability and pupation were impossible. The development of mosquitoes was significantly higher in control while highly depressed in different dosages of treatment in both laboratory and field experiments. In houseflies, the adult population decreased sharply after treatment of their breeding sites while pupae mortality was noticed to be high in laboratory-treated samples. Dimilin could be opted as one of the choice of the larval control chemicals to be incorporated in the integrated vector control programmes in urban and rural areas

Item Type: Article
Keywords: Larvicide, Mosquito, Housefly Larvae, Dimilin, Anopheles, Gambiae, Ecdysis, Vector Control
Subjects: Malaria > Vector control
Divisions: Other
Depositing User: Mr Joseph Madata
Date Deposited: 27 Mar 2014 08:58
Last Modified: 27 Mar 2014 08:58
URI: http://ihi.eprints.org/id/eprint/1820

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