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Mem Inst Oswaldo Cruz


Title:Reproductive isolation between sympatric and allopatric Brazilian populations of Lutzomyia longipalpis s.l. (Diptera: Psychodidae)
Author(s):Souza NA; Andrade-Coelho CA; Vigoder FM; Ward RD; Peixoto AA;
Address:"Laboratorio de Transmissores de Leishmanioses, Instituto Oswaldo Cruz-Fiocruz, AV. Brasil, Rio de Janeiro"
Journal Title:Mem Inst Oswaldo Cruz
Year:2008
Volume:103
Issue:2
Page Number:216 - 219
DOI: 10.1590/s0074-02762008000200017
ISSN/ISBN:0074-0276 (Print) 0074-0276 (Linking)
Abstract:"Lutzomyia longipalpis s.l., the main vector of Leishmania chagasi in Latin America, is a species complex although the exact number of siblings is yet unknown. In Brazil, the siblings differ in male copulatory courtship songs and pheromones that most certainly act as pre-zygotic reproductive barriers. Here we analysed the reproductive isolation between three allopatric and two sympatric populations of Lu. longipalpis s.l. from Brazil. The results indicate a strong copulatory and pre-mating isolation between the three allopatric populations. In addition, the results also indicate a stronger pre-mating isolation between the two sympatric siblings than between the three allopatric ones, suggesting a role for reinforcement in the speciation of the Lu. longipalpis s.l. complex"
Keywords:"Animals Brazil Copulation/*physiology Female Male Pheromones/physiology Psychodidae/*physiology Reproduction/physiology Vocalization, Animal/physiology;"
Notes:"MedlineSouza, Nataly A Andrade-Coelho, Claudia A Vigoder, Felipe M Ward, Richard D Peixoto, Alexandre A eng Research Support, Non-U.S. Gov't Brazil 2008/04/22 Mem Inst Oswaldo Cruz. 2008 Mar; 103(2):216-9. doi: 10.1590/s0074-02762008000200017"

 
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