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Changes in the Sexual Dimorphism of Triatominae in the Transition from Natural to Artificial Habitats
Dujardin, J. P; Steindel, M; Chavez, T; Machane, M; Schofield, C. J.
  • Dujardin, J. P; s.af
  • Steindel, M; Universidade Federal de Santa Catarina. Departamento de Microbiologia e Parasitologia.
  • Chavez, T; Instituto Boliviano de Biologia de Altura.
  • Machane, M; Instituto Boliviano de Biologia de Altura.
  • Schofield, C. J; s.af
Mem. Inst. Oswaldo Cruz ; 94(4): 565-9, July-Aug. 1999.
Article in English | LILACS | ID: lil-241573
RESUMO
A shift from large to small average sizes was observed in Triatoma infestans and Rhodnius domesticus between field and domestic (or laboratory) conditions of life. It was more pronounced in the female specimens, leading to a subsequent reduction of sexual size dimorphism. This feature is discussed in terms of genetic and populational changes occurring from natural to artificial habitats, in particular those related to population densities. Sexual size dimorphism is then recommended as a new character to be used in the study of species of Triatominae adapting to domestic ecotopes
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Triatominae / Sex Characteristics / Insect Vectors Limits: Animals / Female / Humans Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 1999 Type: Article Affiliation country: Bolivia / Brazil

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Full text: Available Index: LILACS (Americas) Main subject: Triatominae / Sex Characteristics / Insect Vectors Limits: Animals / Female / Humans Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 1999 Type: Article Affiliation country: Bolivia / Brazil