John Libbey Eurotext

Environnement, Risques & Santé

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Susceptibility of Anopheles labranchiae, Culex pipiens, Ochlerotatus detritus and Ochlerotatus caspius mosquitoes in the Smir region (northwest Morocco) to organophosphates used in public health Volume 14, issue 1, January-February 2015

Authors
1 Université Abdelmalek Essaadi
Faculté des sciences de Tétouan
Laboratoire d’écologie, biodiversité et environnement
Avenue de Sebta
Mhannech II
93002 Tétouan
Maroc
2 Institut national d’hygiène
Laboratoire d’entomologie médicale
27, avenue Ibn-Batouta
BP 769
11400 Rabat
Maroc
3 Université Mohammed V
Institut Scientifique
Équipe “Recherches pour la gestion des zones humides”
Avenue Ibn-Batouta
BP 703
10106 Rabat-Agdal
Maroc
* Tirés à part
  • Key words: sensitivity tests, Morocco, mosquitoes, organophosphate, resistance
  • DOI : 10.1684/ers.2014.0755
  • Page(s) : 72-9
  • Published in: 2015

This study estimates the susceptibility to organophosphates of four species of Culicidae mosquitoes — Culex pipiens, Ochlerotatus detritus, Ochlerotatus caspius and Anopheles labranchiae — collected in the marshes of Smir (northwest of Morocco).

The five organophosphates studied (temephos, malathion, fenthion, fenitrothion, and chlorpyrifos) are frequently used for mosquito control in Morocco.

The sensitivity tests (bioassays) show that Culex pipiens, Ochlerotatus detritus and Ochlerotatus caspius are resistant to temephos and Culex pipiens and Ochlerotatus detritus to chlorpyrifos.

The results of this study can serve as a database for developing a strategy to manage mosquito resistance to insecticides in this region.