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Effect of Parental Photoperiod on Body Size and Developmental Time of Aedes aegypti (Diptera: Culicidae) in Buenos Aires City.
Loetti, Verónica; De Majo, María Sol; Campos, Raúl E; Di Battista, Cristian M; Fischer, Sylvia.
Afiliação
  • Loetti V; Departamento de Ecología, Genética y Evolución, and IEGEBA (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina.
  • De Majo MS; Departamento de Ecología, Genética y Evolución, and IEGEBA (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina.
  • Campos RE; Instituto de Limnología "Dr. Raúl A. Ringuelet", Universidad Nacional de La Plata - CONICET, CCT La Plata, Boulevard 120 and 62 Nº 1437, La Plata, Buenos Aires, Argentina.
  • Di Battista CM; Instituto de Limnología "Dr. Raúl A. Ringuelet", Universidad Nacional de La Plata - CONICET, CCT La Plata, Boulevard 120 and 62 Nº 1437, La Plata, Buenos Aires, Argentina.
  • Fischer S; Departamento de Ecología, Genética y Evolución, and IEGEBA (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina.
J Med Entomol ; 58(4): 1638-1642, 2021 07 16.
Article em En | MEDLINE | ID: mdl-33704455
Many insects use photoperiod as a signal to anticipate upcoming unfavorable conditions. Photoperiod sensitivity may be a relevant factor in Aedes (Stegomyia) aegypti (L.) populations at the cool margins of the species' range, where winter conditions have a strong effect on population dynamics. In this study, we evaluated the effect of parental photoperiod on preimaginal survival and developmental time, and on wing length for the first generation of Ae. aegypti from a temperate region (Buenos Aires City, Argentina). Our experiment started with eggs from parents exposed to short-day (SD; 10:14 [L:D]) or long-day (LD; 14:10 [L:D]) photoperiods during their entire life span. Eggs were stored under the same photoperiod (SD or LD) as their parents for 91 d, until immersion. After hatching, larvae were reared until adult emergence in thermal baths at one of two constant temperatures (17 or 23°C), at a photoperiod of 12:12 (L:D) h and fed ad libitum. Survival from larva I to adult emergence was not affected either by parental photoperiod or rearing temperature. At a rearing temperature of 23°C, female offspring from the SD parental photoperiod developed faster and had shorter wings compared with those from the LD parental photoperiod. No effect of parental photoperiod was observed on female offspring reared at 17°C. In male offspring, parental photoperiod had no effect on developmental time and wing length, independently of the rearing temperature. Results indicate that the parental photoperiod may affect some offspring traits. This effect may be a characteristic of Ae. aegypti populations in temperate regions to deal with the winter conditions.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Fotoperíodo / Aedes / Tamanho Corporal Limite: Animals País/Região como assunto: America do sul / Argentina Idioma: En Revista: J Med Entomol Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Argentina País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Fotoperíodo / Aedes / Tamanho Corporal Limite: Animals País/Região como assunto: America do sul / Argentina Idioma: En Revista: J Med Entomol Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Argentina País de publicação: Reino Unido