Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern Brazil

Abstract Population explosions of the stable fly (Stomoxys calcitrans) have become a serious concern for livestock producers near sugarcane mills in some regions of Brazil due to the insect’s massive reproduction on sugarcane byproducts and waste. Despite the limited efficiency of insecticides for c...

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Main Authors: Antonio Thadeu Medeiros de Barros, Vinícius Duarte Rodrigues, Paulo Henrique Duarte Cançado, Luísa Nogueira Domingues
Format: Article
Language:English
Published: Colégio Brasileiro de Parasitologia Veterinaria 2019-11-01
Series:Revista Brasileira de Parasitologia Veterinária
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612019000400802&tlng=en
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author Antonio Thadeu Medeiros de Barros
Vinícius Duarte Rodrigues
Paulo Henrique Duarte Cançado
Luísa Nogueira Domingues
author_facet Antonio Thadeu Medeiros de Barros
Vinícius Duarte Rodrigues
Paulo Henrique Duarte Cançado
Luísa Nogueira Domingues
author_sort Antonio Thadeu Medeiros de Barros
collection DOAJ
description Abstract Population explosions of the stable fly (Stomoxys calcitrans) have become a serious concern for livestock producers near sugarcane mills in some regions of Brazil due to the insect’s massive reproduction on sugarcane byproducts and waste. Despite the limited efficiency of insecticides for controlling stable fly outbreaks, producers still rely on chemical control to mitigate the alarming infestations in affected areas. This study evaluated the susceptibility of S. calcitrans populations to cypermethrin in the state of Mato Grosso do Sul, Brazil. Stable flies were tested from three field populations and two colonies, established from flies previously collected at sugarcane mills. Wild flies were collected with Nzi traps in areas of sugarcane plantations. Both wild and colonized flies were exposed to eleven concentrations of cypermethrin in impregnated filter paper bioassays. All the populations proved to be resistant to cypermethrin, with resistance factors among field populations ranging from 6.8 to 38.6. The intensive use of insecticides has led to the development of pyrethroid resistance in stable fly populations in the proximities of sugarcane mills in the state of Mato Grosso do Sul.
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spelling doaj.art-7af3ee1805904b8ab3484d2366f658722022-12-21T20:13:08ZengColégio Brasileiro de Parasitologia VeterinariaRevista Brasileira de Parasitologia Veterinária1984-29612019-11-0128480280610.1590/s1984-29612019089Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern BrazilAntonio Thadeu Medeiros de Barroshttps://orcid.org/0000-0001-5668-4219Vinícius Duarte RodriguesPaulo Henrique Duarte CançadoLuísa Nogueira DominguesAbstract Population explosions of the stable fly (Stomoxys calcitrans) have become a serious concern for livestock producers near sugarcane mills in some regions of Brazil due to the insect’s massive reproduction on sugarcane byproducts and waste. Despite the limited efficiency of insecticides for controlling stable fly outbreaks, producers still rely on chemical control to mitigate the alarming infestations in affected areas. This study evaluated the susceptibility of S. calcitrans populations to cypermethrin in the state of Mato Grosso do Sul, Brazil. Stable flies were tested from three field populations and two colonies, established from flies previously collected at sugarcane mills. Wild flies were collected with Nzi traps in areas of sugarcane plantations. Both wild and colonized flies were exposed to eleven concentrations of cypermethrin in impregnated filter paper bioassays. All the populations proved to be resistant to cypermethrin, with resistance factors among field populations ranging from 6.8 to 38.6. The intensive use of insecticides has led to the development of pyrethroid resistance in stable fly populations in the proximities of sugarcane mills in the state of Mato Grosso do Sul.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612019000400802&tlng=enChemical controlinsecticide resistancestable fly outbreaks
spellingShingle Antonio Thadeu Medeiros de Barros
Vinícius Duarte Rodrigues
Paulo Henrique Duarte Cançado
Luísa Nogueira Domingues
Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern Brazil
Revista Brasileira de Parasitologia Veterinária
Chemical control
insecticide resistance
stable fly outbreaks
title Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern Brazil
title_full Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern Brazil
title_fullStr Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern Brazil
title_full_unstemmed Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern Brazil
title_short Resistance of the stable fly, Stomoxys calcitrans (Diptera: Muscidae), to cypermethrin in outbreak areas in Midwestern Brazil
title_sort resistance of the stable fly stomoxys calcitrans diptera muscidae to cypermethrin in outbreak areas in midwestern brazil
topic Chemical control
insecticide resistance
stable fly outbreaks
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612019000400802&tlng=en
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