Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran

Background: Malaria resurgence has occurred in the northern half parts of Iran. Factors such as the continual movement of local people from problematic malaria foci in southeastern Iran toward the Caspian Littoral and wide use of pesticides in the agriculture sector were led to establish the disea...

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Autores principales:	Aioub Sofizadeh, Mohammad Reza Abai, Hassan Vatandoost, Ahmad Raeisi, Mohammad Sistanizadeh-Aghdam
Formato:	article
Lenguaje:	EN
Publicado:	Tehran University of Medical Sciences 2022
Materias:	Anopheles maculipennis; Anopheles superpictus; Insecticide resistance; Malaria; Caspian Littoral Pathology RB1-214
Acceso en línea:	https://doaj.org/article/3f075d3adadf4b139894024b47008147
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spelling	oai:doaj.org-article:3f075d3adadf4b139894024b470081472021-12-02T19:26:27ZResistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran10.18502/jad.v15i2.74861735-71792322-2271https://doaj.org/article/3f075d3adadf4b139894024b470081472022-01-01T00:00:00Zhttps://jad.tums.ac.ir/index.php/jad/article/view/1489https://doaj.org/toc/1735-7179https://doaj.org/toc/2322-2271 Background: Malaria resurgence has occurred in the northern half parts of Iran. Factors such as the continual movement of local people from problematic malaria foci in southeastern Iran toward the Caspian Littoral and wide use of pesticides in the agriculture sector were led to establish the diseases in the prone area. There are no new data on the resistance status of main malaria vectors in the Caspian Littoral, and this study was aimed at renewal data on conventional insecticides. Methods: The field strain of adult Anopheles superpictus and Anopheles maculipennis were collected using the hand catch method and transferred to the laboratory. The susceptibility tests were carried out against DDT 4%, Malathion 5%, Permethrin 0.75%, Deltamethrin 0.05%, and Lambda-cyhalothrin 0.05%, followed by the WHO’s procedure. Results: The primary malaria vector in Caspian Littoral is An. maculipennis, which still resistance to DDT and mortality rate, LT50 and LT90 of female mosquitoes were 75.0%, 54.2, minutes and 111.3 minutes. The under ’verification required’ status of An. maculipennis was also revealed to Lambda-cyhalothrin based on recent WHO’s criteria. The malaria vector An. superpictus is also considered the second malaria vectors in the west parts of the studied area, which shown to be susceptible to all insecticides tested. Conclusion: DDT resistance is persisted in An. maculipennis despite stopping residual spraying with DDT since 1978 in the Caspian Littoral, but the occurrence of pyrethroid under ’verification required’ status is a progressive threat to the possible development of cross-resistance in the future. Aioub SofizadehMohammad Reza AbaiHassan VatandoostAhmad RaeisiMohammad Sistanizadeh-AghdamTehran University of Medical SciencesarticleAnopheles maculipennis; Anopheles superpictus; Insecticide resistance; Malaria; Caspian LittoralPathologyRB1-214ENJournal of Arthropod-Borne Diseases , Vol 15, Iss 2 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Anopheles maculipennis; Anopheles superpictus; Insecticide resistance; Malaria; Caspian Littoral Pathology RB1-214
spellingShingle	Anopheles maculipennis; Anopheles superpictus; Insecticide resistance; Malaria; Caspian Littoral Pathology RB1-214 Aioub Sofizadeh Mohammad Reza Abai Hassan Vatandoost Ahmad Raeisi Mohammad Sistanizadeh-Aghdam Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran
description	Background: Malaria resurgence has occurred in the northern half parts of Iran. Factors such as the continual movement of local people from problematic malaria foci in southeastern Iran toward the Caspian Littoral and wide use of pesticides in the agriculture sector were led to establish the diseases in the prone area. There are no new data on the resistance status of main malaria vectors in the Caspian Littoral, and this study was aimed at renewal data on conventional insecticides. Methods: The field strain of adult Anopheles superpictus and Anopheles maculipennis were collected using the hand catch method and transferred to the laboratory. The susceptibility tests were carried out against DDT 4%, Malathion 5%, Permethrin 0.75%, Deltamethrin 0.05%, and Lambda-cyhalothrin 0.05%, followed by the WHO’s procedure. Results: The primary malaria vector in Caspian Littoral is An. maculipennis, which still resistance to DDT and mortality rate, LT50 and LT90 of female mosquitoes were 75.0%, 54.2, minutes and 111.3 minutes. The under ’verification required’ status of An. maculipennis was also revealed to Lambda-cyhalothrin based on recent WHO’s criteria. The malaria vector An. superpictus is also considered the second malaria vectors in the west parts of the studied area, which shown to be susceptible to all insecticides tested. Conclusion: DDT resistance is persisted in An. maculipennis despite stopping residual spraying with DDT since 1978 in the Caspian Littoral, but the occurrence of pyrethroid under ’verification required’ status is a progressive threat to the possible development of cross-resistance in the future.
format	article
author	Aioub Sofizadeh Mohammad Reza Abai Hassan Vatandoost Ahmad Raeisi Mohammad Sistanizadeh-Aghdam
author_facet	Aioub Sofizadeh Mohammad Reza Abai Hassan Vatandoost Ahmad Raeisi Mohammad Sistanizadeh-Aghdam
author_sort	Aioub Sofizadeh
title	Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran
title_short	Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran
title_full	Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran
title_fullStr	Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran
title_full_unstemmed	Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran
title_sort	resistance status of anopheles maculipennis and anopheles superpictus to the conventional insecticides in northeastern caspian littoral, iran
publisher	Tehran University of Medical Sciences
publishDate	2022
url	https://doaj.org/article/3f075d3adadf4b139894024b47008147
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Resistance Status of Anopheles maculipennis and Anopheles superpictus to the Conventional Insecticides in Northeastern Caspian Littoral, Iran

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