Title of article :
A Comparative Study on Excito-Repellency Effects of Permethrin, Deltamethrin and Etofenprox Treated Bed Nets against Anopheles stephensi Liston, 1901 (Diptera: Culicidae)
Author/Authors :
Alipour، Hamzeh نويسنده Department of Medical Entomology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran Alipour, Hamzeh , Abaie، Mohammad Reza نويسنده Department of Medical Entomology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Abaie, Mohammad Reza , Ladonni، Hossien نويسنده Department of Medical Entomology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Ladonni, Hossien , Kadivar، Ali Akbar نويسنده Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran Kadivar, Ali Akbar
Abstract :
Background: Malaria is the most important vector-borne disease
in many tropical countries all over the world. Because of the
widespread use of pyrethroid insecticide treated mosquito nets
in the world, the effects of excito-repellency (ER) phenomenon
of pyrethroids against main malaria vector, Anopheles stephensi
were studied.
Methods: The ER phenomenon of three concentrations of two
synthetic pyrethroids (permethrin and deltamethrin) as well as
etofenprox was evaluated against Anopheles stephensi under
laboratory conditions. Female 5-7 day unfed mosquitoes were
exposed to animal bait in holder and the animal’s back and head
were covered with impregnated bed net in -ER test chamber.
Results: Deltamethrin was more effective compared to other
insecticides in killing the mosquitoes. The mean of entry to
exit trap showed significant differences in all concentrations of
insecticides (P < 0.05).
Conclusion: This study showed that ER phenomenon of
insecticides should be noticed in vector control programs. The
ranked data indicated the relative potency of both pyrethroids
and etofenprox. Deltamethrin repels the female mosquitoes more
than other insecticides tested.
