Molecular Biology and Evolution 19:1624-1627 (2002)
© 2002 Society for Molecular Biology and Evolution
Molecular Divergence in the period Gene Between Two Putative Sympatric Species of the Lutzomyia longipalpis Complex




*Departamento de Bioquímica e Biologia Molecular, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil;
Departamento de Entomologia, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil;
The Centre for Applied Entomology and Parasitology, School of Life Sciences, Keele University, Keele, UK;
Department of Genetics, University of Leicester, Leicester, UK
| The first 150 words of the full text of this article appear below. |
There is mounting evidence that the sandfly Lutzomyia longipalpis (Diptera: Psychodidae: Phlebotominae) (Lutz and Neiva 1912), the main vector of the visceral leishmaniasis in Latin America, is a complex of sibling species (Lanzaro et al. 1993
; Dujardin et al. 1997
; Lampo et al. 1999
; Uribe 1999
; Arrivillaga and Feliciangeli 2001
; Soto et al. 2001
). But, the evidence for Brazilian populations is still contradictory. Crossing experiments, pheromonal (Ward et al. 1983
, 1988
; Hamilton et al. 1999a
, 1999b
), copulation songs (Souza et al. 2002
) and molecular analyses (Bauzer et al. 2002
) all support the idea of a species complex and seem to confirm the data obtained for other populations of this species. But work with isoenzyme loci suggests that although it is a highly polymorphic and geographically variable species, L. longipalpis should not be considered a species complex
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