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

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 insectic...

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Autores principales: Pelizza, Sebastián Alberto, Scorsetti, Ana Clara, Tranchida, María Cecilia
Formato: Articulo
Lenguaje:Inglés
Publicado: 2013
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/93061
https://ri.conicet.gov.ar/handle/11336/11124
https://academic.oup.com/jinsectscience/article/13/1/22/1067960
Aporte de:
id I19-R120-10915-93061
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Biología
Biocontrol
Dengue
Mosquitoes
Zoospores
Fecundity
Fertility
Gonotrophic cycles
spellingShingle Biología
Biocontrol
Dengue
Mosquitoes
Zoospores
Fecundity
Fertility
Gonotrophic cycles
Pelizza, Sebastián Alberto
Scorsetti, Ana Clara
Tranchida, María Cecilia
The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
topic_facet Biología
Biocontrol
Dengue
Mosquitoes
Zoospores
Fecundity
Fertility
Gonotrophic cycles
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.
format Articulo
Articulo
author Pelizza, Sebastián Alberto
Scorsetti, Ana Clara
Tranchida, María Cecilia
author_facet Pelizza, Sebastián Alberto
Scorsetti, Ana Clara
Tranchida, María Cecilia
author_sort Pelizza, Sebastián Alberto
title The sublethal effects of the entomopathic fungus <i>Leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>Aedes aegypti</i>
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 sublethal effects of the entomopathic fungus <i>leptolegnia chapmanii</i> on some biological parameters of the dengue vector <i>aedes aegypti</i>
publishDate 2013
url http://sedici.unlp.edu.ar/handle/10915/93061
https://ri.conicet.gov.ar/handle/11336/11124
https://academic.oup.com/jinsectscience/article/13/1/22/1067960
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