The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>

Autores
Pelizza, Sebastián Alberto; Scorsetti, Ana Clara; Tranchida, María Cecilia
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The mosquito Aedes aegypti (L.) (Diptera: Culicidae) is the primary vector of dengue in the Americas. The use of chemical insecticides is recommended during outbreaks of dengue in order to reduce the number of adult mosquitoes; however, because Ae. aegypti is highly synanthropic, the use of insecticides in densely populated areas is a dangerous practice. Leptolegnia chapmanii Seymour (Straminipila: Peronosporomycetes) is an entomopathogenic microorganism that has demonstrated marked pathogenicity toward the larvae of a number of mosquito species, with little or no effect on non-target insects. Therefore, the purpose of this study was to determine the sublethal effects of L. chapmanii on fecundity, number of gonotrophic cycles, fertility, and relationship between wing length and fecundity in Ae. aegypti females. Ae. aegypti females that survived infection with L. chapmanii laid fewer eggs, had a smaller number of gonotrophic cycles, had shorter wings, and were less fertile than controls. This is the first study on the sublethal effects experienced by specimens of Ae. aegypti that survived infection with zoospores of L. chapmanii. Although field studies should be carried out, the results obtained in this study are encouraging because the high and rapid larval mortality caused by L. chapmanii coupled with the reduction of reproductive capacity in Ae. aegypti females seem to cause a significant reduction in the number of adults in the mid and long term, thereby reducing the health risks associated with Ae. aegypti.
Centro de Estudios Parasitológicos y de Vectores
Instituto de Botánica "Dr. Carlos Spegazzini"
Materia
Biología
Biocontrol
Dengue
Mosquitoes
Zoospores
Fecundity
Fertility
Gonotrophic cycles
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/3.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/93061
Acceder
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network_name_str SEDICI (UNLP)
spelling The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>Pelizza, Sebastián AlbertoScorsetti, Ana ClaraTranchida, María CeciliaBiologíaBiocontrolDengueMosquitoesZoosporesFecundityFertilityGonotrophic cyclesThe mosquito Aedes aegypti (L.) (Diptera: Culicidae) is the primary vector of dengue in the Americas. The use of chemical insecticides is recommended during outbreaks of dengue in order to reduce the number of adult mosquitoes; however, because Ae. aegypti is highly synanthropic, the use of insecticides in densely populated areas is a dangerous practice. Leptolegnia chapmanii Seymour (Straminipila: Peronosporomycetes) is an entomopathogenic microorganism that has demonstrated marked pathogenicity toward the larvae of a number of mosquito species, with little or no effect on non-target insects. Therefore, the purpose of this study was to determine the sublethal effects of L. chapmanii on fecundity, number of gonotrophic cycles, fertility, and relationship between wing length and fecundity in Ae. aegypti females. Ae. aegypti females that survived infection with L. chapmanii laid fewer eggs, had a smaller number of gonotrophic cycles, had shorter wings, and were less fertile than controls. This is the first study on the sublethal effects experienced by specimens of Ae. aegypti that survived infection with zoospores of L. chapmanii. Although field studies should be carried out, the results obtained in this study are encouraging because the high and rapid larval mortality caused by L. chapmanii coupled with the reduction of reproductive capacity in Ae. aegypti females seem to cause a significant reduction in the number of adults in the mid and long term, thereby reducing the health risks associated with Ae. aegypti.Centro de Estudios Parasitológicos y de VectoresInstituto de Botánica "Dr. Carlos Spegazzini"2013-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf1-8http://sedici.unlp.edu.ar/handle/10915/93061enginfo:eu-repo/semantics/altIdentifier/url/https://ri.conicet.gov.ar/handle/11336/11124info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jinsectscience/article/13/1/22/1067960info:eu-repo/semantics/altIdentifier/issn/1536-2442info:eu-repo/semantics/altIdentifier/doi/10.1673/031.013.2201info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/3.0/Creative Commons Attribution 3.0 Unported (CC BY 3.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:00:07Zoai:sedici.unlp.edu.ar:10915/93061Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:00:07.931SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
title The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
spellingShingle The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
Pelizza, Sebastián Alberto
Biología
Biocontrol
Dengue
Mosquitoes
Zoospores
Fecundity
Fertility
Gonotrophic cycles
title_short The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
title_full The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
title_fullStr The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
title_full_unstemmed The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
title_sort The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
dc.creator.none.fl_str_mv Pelizza, Sebastián Alberto
Scorsetti, Ana Clara
Tranchida, María Cecilia
author Pelizza, Sebastián Alberto
author_facet Pelizza, Sebastián Alberto
Scorsetti, Ana Clara
Tranchida, María Cecilia
author_role author
author2 Scorsetti, Ana Clara
Tranchida, María Cecilia
author2_role author
author
dc.subject.none.fl_str_mv Biología
Biocontrol
Dengue
Mosquitoes
Zoospores
Fecundity
Fertility
Gonotrophic cycles
topic Biología
Biocontrol
Dengue
Mosquitoes
Zoospores
Fecundity
Fertility
Gonotrophic cycles
dc.description.none.fl_txt_mv The mosquito Aedes aegypti (L.) (Diptera: Culicidae) is the primary vector of dengue in the Americas. The use of chemical insecticides is recommended during outbreaks of dengue in order to reduce the number of adult mosquitoes; however, because Ae. aegypti is highly synanthropic, the use of insecticides in densely populated areas is a dangerous practice. Leptolegnia chapmanii Seymour (Straminipila: Peronosporomycetes) is an entomopathogenic microorganism that has demonstrated marked pathogenicity toward the larvae of a number of mosquito species, with little or no effect on non-target insects. Therefore, the purpose of this study was to determine the sublethal effects of L. chapmanii on fecundity, number of gonotrophic cycles, fertility, and relationship between wing length and fecundity in Ae. aegypti females. Ae. aegypti females that survived infection with L. chapmanii laid fewer eggs, had a smaller number of gonotrophic cycles, had shorter wings, and were less fertile than controls. This is the first study on the sublethal effects experienced by specimens of Ae. aegypti that survived infection with zoospores of L. chapmanii. Although field studies should be carried out, the results obtained in this study are encouraging because the high and rapid larval mortality caused by L. chapmanii coupled with the reduction of reproductive capacity in Ae. aegypti females seem to cause a significant reduction in the number of adults in the mid and long term, thereby reducing the health risks associated with Ae. aegypti.
Centro de Estudios Parasitológicos y de Vectores
Instituto de Botánica "Dr. Carlos Spegazzini"
description The mosquito Aedes aegypti (L.) (Diptera: Culicidae) is the primary vector of dengue in the Americas. The use of chemical insecticides is recommended during outbreaks of dengue in order to reduce the number of adult mosquitoes; however, because Ae. aegypti is highly synanthropic, the use of insecticides in densely populated areas is a dangerous practice. Leptolegnia chapmanii Seymour (Straminipila: Peronosporomycetes) is an entomopathogenic microorganism that has demonstrated marked pathogenicity toward the larvae of a number of mosquito species, with little or no effect on non-target insects. Therefore, the purpose of this study was to determine the sublethal effects of L. chapmanii on fecundity, number of gonotrophic cycles, fertility, and relationship between wing length and fecundity in Ae. aegypti females. Ae. aegypti females that survived infection with L. chapmanii laid fewer eggs, had a smaller number of gonotrophic cycles, had shorter wings, and were less fertile than controls. This is the first study on the sublethal effects experienced by specimens of Ae. aegypti that survived infection with zoospores of L. chapmanii. Although field studies should be carried out, the results obtained in this study are encouraging because the high and rapid larval mortality caused by L. chapmanii coupled with the reduction of reproductive capacity in Ae. aegypti females seem to cause a significant reduction in the number of adults in the mid and long term, thereby reducing the health risks associated with Ae. aegypti.
publishDate 2013
dc.date.none.fl_str_mv 2013-03
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
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info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/93061
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dc.language.none.fl_str_mv eng
language eng
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info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jinsectscience/article/13/1/22/1067960
info:eu-repo/semantics/altIdentifier/issn/1536-2442
info:eu-repo/semantics/altIdentifier/doi/10.1673/031.013.2201
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/3.0/
Creative Commons Attribution 3.0 Unported (CC BY 3.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/3.0/
Creative Commons Attribution 3.0 Unported (CC BY 3.0)
dc.format.none.fl_str_mv application/pdf
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collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
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repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
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