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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 103, No. 2, 2008, pp. 216-219
Bioline Code: oc08038
Full paper language: English
Document type: Short Communication
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 103, No. 2, 2008, pp. 216-219

 en Reproductive isolation between sympatric and allopatric Brazilian populations of Lutzomyia longipalpis check for this species in other resources s.l. (Diptera: Psychodidae)
Souza, Nataly A.; Andrade-Coelho, Claudia A.; Vigoder, Felipe M; Ward, Richard D. & Peixoto, Alexandre A.


Lutzomyia longipalpis check for this species in other resources s.l., the main vector of Leishmania chagasi check for this species in other resources 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.

visceral leishmaniasis - sand flies - species complex - reinforcement

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