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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/21942


Title: Studies on Populations of Lutzomyia longipalpis (Lutz & Neiva, 1912) (Diptera: Psychodidae: Phlebotominae) in Brazil
Authors: de Azevedo, Alfredo C. R.
Monteiro, Fernando A.
Cabello, Pedro Hernan
de Souza, Nataly A.
Rosa-Freitas, Maria Goreti
Rangel, Elizabeth Ferreira
Keywords: Lutzomyia longipalpis, Phlebotominae, taxonomy, morphology, Brazil
Issue Date: 31-Dec-2000
Publisher: Fundação Oswaldo Cruz, Fiocruz
Citation: Memórias do Instituto Oswaldo Cruz (ISSN: 1678-8060) Vol 95 Num 3
Abstract: Studies were performed on five Brazilian populations of Lutzomyia longipalpis: Salvaterra (PA), So Jos do Ribamar (MA), Canind (CE), Natal (RN) and Gruta da Lapinha, Lagoa Santa (MG). No morphological differences were observed that could distinguish between these populations. Homogeneity tests showed that the allopatric populations display a certain heterogeneity and that the sympatric populations, with different patterns of spots, are homogeneous. The Student-Newman-Keuls test, represented by Euler-Venn diagrams, showed a disjunction between the populations from the north/northeast and the one from Gruta da Lapinha. Genetic distances between the four populations (excluding the Canind population) were within the range of intrapopulational differences. The Gruta da Lapinha population displayed a heterozygotic deficiency that could be a consequence of high levels of inbreeding due to cryptic habits of living in a small cave. These results do not favor the hypothesis of a L. longipalpis species complex in Brazil, and the species should be considered high polymorphic.
URI: http://hdl.handle.net/1807/21942
Other Identifiers: http://www.bioline.org.br/abstract?id=oc00053
Rights: Copyright 2000 Fundacao Oswaldo Cruz Fiocruz
Appears in Collections:Bioline International Legacy Collection

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