Insecticide resistance in Anopheles arabiensis and Anopheles gambiae from Mozambique

Journal of Medical Entomology
S CasimiroB Sharp

Abstract

Malaria control in the southern part of Mozambique is currently by indoor residual spraying with a carbamate insecticide and by pyrethroid-treated bed-nets distributed to pregnant women and children under five in northern Mozambique. The susceptibility of Anopheles gambiae s.s. and Anopheles arabiensis Patton to pyrethroid, carbamate, organochlorine, and organophosphorus insecticides was determined by World Health Organization adult mosquito susceptibility tests at 17 localities in Mozambique, from March 2000 to July 2002. Biochemical assays were carried out on mosquitoes from the same families to detect shifts in the quantity or activity of enzyme families involved in insecticide detoxification. An. gambiae s.s. from all localities remained fully susceptible to DDT and the organophosphorus insecticide malathion. A low level of pyrethroid resistance was detected in populations in southern Mozambique. Populations outside Maputo province were still susceptible to pyrethroids. Low level resistance to the carbamate propoxur also was detected in An. arabiensis from two localities. Mosquitoes from five of the localities had elevated p450 estimates, compared with the insecticide susceptible Durban strain. The lack of cross-resistance ...Continue Reading

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Citations

Mar 20, 2008·Annals of Tropical Medicine and Parasitology·P N OkoyeM Coetzee
Dec 19, 2012·Proceedings of the National Academy of Sciences of the United States of America·Jacob M RiveronCharles S Wondji
Aug 9, 2007·Malaria Journal·Noboru MinakawaSatoshi Kaneko
Jul 25, 2008·Malaria Journal·Rebecca L GianottiElfatih Ab Eltahir
Oct 1, 2008·Malaria Journal·Clément Kerah-HinzoumbéFrédéric Simard
May 17, 2011·Parasites & Vectors·Ryan E Trudel, Arne Bomblies
Sep 20, 2011·Environmental Science and Pollution Research International·Maria N ManacaPedro L Alonso
Mar 17, 2016·Malaria Journal·Kevin Ochieng' OpondoMartin James Donnelly
Apr 18, 2015·Parasites & Vectors·Edson G DemboAnnette Habluetzel
Nov 4, 2006·Biochemical and Biophysical Research Communications·Alvaro MonguiManuel A Patarroyo
Jul 19, 2017·The American Journal of Tropical Medicine and Hygiene·Bruce Y LeeJames Colborn
Apr 25, 2007·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Slavka FlesarovaPeter Massanyi

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