The Taxonomic Status of Genetically Divergent Populations of Lutzomyia longipalpis (Diptera: Psychodidae) Based on the Distribution of Mitochondrial and Isozyme Variation

Jazzmin Arrivillaga, John Paul Mutebi, Hermes Piñango, Douglas Norris, Bruce Alexander, M. Dora Feliciangeli, Gregory C. Lanzaro

Research output: Contribution to journalArticle

Abstract

The sand fly, Lutzomyia longipalpis (Lutz & Neiva) reputedly is a complex of cryptic species; however, there is currently no consensus as to the number of species in the complex or their geographic distributions. We conducted phylogenetic analyses of 31 populations from throughout the species range, using seven isozyme loci and genes in the mitochondrial genome. Analyses of these two independent sets of markers were largely concordant and revealed four distinct clades that support the existence of four species. The four clades have distinct geographic ranges: (1) Brazil (Species A = Lu. longipalpis sensu stricto), (2) Laran (Species B = Lu. pseudolongipalpis), (3) cis-Andean (Species C), and (4) trans-Andean (Species D). The cis-Andean clade may be subdivided further into two groups, one in Colombia and one in northwestern Venezuela, but their taxonomic status remains unresolved. Knowledge that Lu. longipalpis is a complex of species may ultimately shed light on anomalies in the epidemiology of visceral leishmaniasis in the New World.

Original languageEnglish (US)
Pages (from-to)615-627
Number of pages13
JournalJournal of Medical Entomology
Volume40
Issue number5
StatePublished - Sep 2003
Externally publishedYes

Fingerprint

Lutzomyia longipalpis
Psychodidae
Diptera
Isoenzymes
isozymes
Venezuela
Mitochondrial Genome
Visceral Leishmaniasis
Colombia
Population
Brazil
Epidemiology
visceral leishmaniasis
Phlebotominae
epidemiology
geographical distribution
Genes
loci
phylogeny
genes

Keywords

  • Isozymes
  • Lutzomyia longipalpis
  • Mitochondrial DNA
  • Phylogeny
  • Species complex

ASJC Scopus subject areas

  • Insect Science
  • veterinary(all)

Cite this

The Taxonomic Status of Genetically Divergent Populations of Lutzomyia longipalpis (Diptera : Psychodidae) Based on the Distribution of Mitochondrial and Isozyme Variation. / Arrivillaga, Jazzmin; Mutebi, John Paul; Piñango, Hermes; Norris, Douglas; Alexander, Bruce; Feliciangeli, M. Dora; Lanzaro, Gregory C.

In: Journal of Medical Entomology, Vol. 40, No. 5, 09.2003, p. 615-627.

Research output: Contribution to journalArticle

Arrivillaga, Jazzmin ; Mutebi, John Paul ; Piñango, Hermes ; Norris, Douglas ; Alexander, Bruce ; Feliciangeli, M. Dora ; Lanzaro, Gregory C. / The Taxonomic Status of Genetically Divergent Populations of Lutzomyia longipalpis (Diptera : Psychodidae) Based on the Distribution of Mitochondrial and Isozyme Variation. In: Journal of Medical Entomology. 2003 ; Vol. 40, No. 5. pp. 615-627.
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