Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, Argentina

In order to detect seasonal trends in the age structure of adult mosquitoes from Buenos Aires province, Argentina, female populations were sampled with CDC traps during 1989-1991 in Punta Lara and La Plata. The mosquitoes were dissected and age-grouped according to ovarian tracheation and ovariolar...

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Main Author: Arnaldo Maciá
Format: Article
Language:English
Published: Fundação Oswaldo Cruz (FIOCRUZ) 1997-03-01
Series:Memorias do Instituto Oswaldo Cruz
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761997000200002
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author Arnaldo Maciá
author_facet Arnaldo Maciá
author_sort Arnaldo Maciá
collection DOAJ
description In order to detect seasonal trends in the age structure of adult mosquitoes from Buenos Aires province, Argentina, female populations were sampled with CDC traps during 1989-1991 in Punta Lara and La Plata. The mosquitoes were dissected and age-grouped according to ovarian tracheation and ovariolar stages. All Runchomyia paranensis females were parous, suggesting that this species could be autogenous. Aedes albifasciatus showed parous peaks following population peaks, with shorter delays in spring-summmer and longer in fall-winter. Ae. crinifer and Culex dolosus showed wide fluctuations in age structure due to adult emergences during all months. Psorophora ferox showed high population replacement rates. Mansonia indubitans and Ma. titillans have few generations per year during their activity period. This is the first report on age-grading of adults of field mosquito populations from Argentina
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spelling doaj.art-6d7b01f00fee478bbe38626f2e939d7e2023-09-02T21:28:52ZengFundação Oswaldo Cruz (FIOCRUZ)Memorias do Instituto Oswaldo Cruz0074-02761678-80601997-03-0192214310.1590/S0074-02761997000200002Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, ArgentinaArnaldo MaciáIn order to detect seasonal trends in the age structure of adult mosquitoes from Buenos Aires province, Argentina, female populations were sampled with CDC traps during 1989-1991 in Punta Lara and La Plata. The mosquitoes were dissected and age-grouped according to ovarian tracheation and ovariolar stages. All Runchomyia paranensis females were parous, suggesting that this species could be autogenous. Aedes albifasciatus showed parous peaks following population peaks, with shorter delays in spring-summmer and longer in fall-winter. Ae. crinifer and Culex dolosus showed wide fluctuations in age structure due to adult emergences during all months. Psorophora ferox showed high population replacement rates. Mansonia indubitans and Ma. titillans have few generations per year during their activity period. This is the first report on age-grading of adults of field mosquito populations from Argentinahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761997000200002mosquitoesadultsage structureArgentina
spellingShingle Arnaldo Maciá
Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, Argentina
Memorias do Instituto Oswaldo Cruz
mosquitoes
adults
age structure
Argentina
title Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, Argentina
title_full Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, Argentina
title_fullStr Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, Argentina
title_full_unstemmed Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, Argentina
title_short Age Structure of Adult Mosquito (Diptera: Culicidae) Populations from Buenos Aires Province, Argentina
title_sort age structure of adult mosquito diptera culicidae populations from buenos aires province argentina
topic mosquitoes
adults
age structure
Argentina
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761997000200002
work_keys_str_mv AT arnaldomacia agestructureofadultmosquitodipteraculicidaepopulationsfrombuenosairesprovinceargentina