Implication of expanded polystyrene and shredded waste polystyrene to control Anopheles spp, Bandar Abbas and Chabahar, Iran

AUTHORS

Abouzar Soltani 1 , * , Hassan Vatandoost 2 , Hossein Jabbari 3

1 Instructor Department of Medical Entomology & Vector Control, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.

2 Professor Department of Medical Entomology & Vector Control, Tehran University of Medical Sciences, Tehran, Iran.

3 Center For Environmental Research, Tehran University of Medical Sciences, Tehran, Iran.

How to Cite: Soltani A, Vatandoost H, Jabbari H. Implication of expanded polystyrene and shredded waste polystyrene to control Anopheles spp, Bandar Abbas and Chabahar, Iran, Hormozgan Med J. 2009 ; 13(3):e88739.

ARTICLE INFORMATION

Hormozgan Medical Journal: 13 (3); e88739
Published Online: July 08, 2009
Article Type: Research Article
Received: August 06, 2008
Accepted: July 08, 2009

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Abstract

Introduction: Due to insecticide resistance, environmental pollution and difficulty
in biological control, usage of conventional larval control measures are not
applicable in mosquito breeding places. As part of Integrated Vector Management
program, we aimed to asses the effectiveness of two polystyrene beads types for
Anopheles spp larvae control under laboratory, semi-field and field conditions.
Methods: Anopheles stephensi was used for experimental purpose. In each tray 250
larvae of late 3rd and early 4th instars larvae were introduced. The experiment was
conducted in 4 replicates of each expanded polystyrene treated, Shredded waste
polystyrene treated and control trays. Emerge was calculated every day Density of larvae
calculated for pre-treatment and post-treatment.
Results: Mortality rate and Inhibition of Emerge for An.stephensi was 100% by using
expanded polystyrene and 99.05% for Shredded waste polystyrene. There was no
significant difference between number of adult mosquitoes and larval density in Pretreatment
and Post-treatment in all artificial pools and field experiments, (P<0.05). The
trend for control was not significant. Difference between 2 treatment was not significant.
Conclusion: The polystyrene beads should be applied according to the nature of
habitats. Utility of EPS and SWAP with other supportive measures could assist the
elimination process of mosquito-borne diseases.

Keywords

Polystyrenes – Anopheles - Malaria

© 2009, Hormozgan Medical Journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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