Genetic Divergence Among Venezuelan Populations of Lutzomyia longipalpis (Diptera: Psychodidae: Phlebotominae)

Jazzmin Arrivillaga; Yadira Rangel; Milagros Oviedo; M. Dora Feliciangeli

doi:10.1603/0022-2585(2000)037[0325:GDAVPO]2.0.CO;2

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Jazzmin Arrivillaga,¹ Yadira Rangel,² Milagros Oviedo,³ M. Dora Feliciangeli¹

¹Universidad de Carabobo, Fac de Ciencias de la Salud, BIOMED, Centro de Referencia Nacional de Flebotomos, La Morita, Apdo 4873.Maracay, Edo. Aragua Venezuela
²Universidad Central de Venezuela, Fac. Ciencias, Instituto de Zoología Tropical, Laboratory. Ecologia y Biologia de Poblaciones, Apdo. 47058, Caracas 1041- a, Venezuela
³Universidad de Los Andes, Nucléo Universitario Rafael Rangel, Centro Jose W. Torrealba, Trujillo, Edo. Trujillo, Venezuela

Abstract

Lutzomyia longipalpis (Lutz & Neiva) is the primary vector of visceral leishmaniasis in Venezuela. An analysis of alleles at seven enzyme-encoding loci among four populations from different geographic and epidemiological regions revealed strong genetic substructuring. Isozyme analysis indicated that L. longipalpis in Venezuela is a complex of at least two subspecies. Possible differences in population size during their evolutionary histories, varying colonization histories and geological events may explain discrepancies in the patterns of variation observed at genetic markers between these four populations.

Citation Download Citation

Jazzmin Arrivillaga, Yadira Rangel, Milagros Oviedo, and M. Dora Feliciangeli "Genetic Divergence Among Venezuelan Populations of Lutzomyia longipalpis (Diptera: Psychodidae: Phlebotominae)," Journal of Medical Entomology 37(3), 325-330, (1 May 2000). https://doi.org/10.1603/0022-2585(2000)037[0325:GDAVPO]2.0.CO;2

Received: 13 April 1999; Accepted: 10 November 1999; Published: 1 May 2000