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  • Title: [Species of Lutzomyia (Psychodidae, Phlebotominae) in endemic cutaneous and visceral leishmaniasis foci of the department of Santander, in the eastern range of the Colombian Andes].
    Author: Sandoval CM, Gutiérrez R, Cárdenas R, Ferro C.
    Journal: Biomedica; 2006 Oct; 26 Suppl 1():218-27. PubMed ID: 17361857.
    Abstract:
    INTRODUCTION: Phlebotomine sand flies are the only known vectors of leishmaniasis and show an interesting biodiversity in the Andean mountain range of South America. We update the registry of species prevalent in the municipalities and endemic areas of the department of Santander, in the eastern range of the Colombian Andes. OBJECTIVE: To present an updated inventory and distribution of the Lutzomyia species in the department of Santander and to discuss some ecological aspects of the principal species of medical importance. MATERIALS AND METHODS: Phlebotomines were collected in 12 municipalities in the years 1998 to 2001 between 19:00-6:00 using CDC miniature light traps, manual aspirators on protected human baits between 18:00 and 20:00, and occasionally by direct aspiration on tree trunks between 8:00-11:00 and resting on walls at different times of the day. RESULTS: 3.972 phlebotomines of 41 species were captured, of which 16 species were new records for this area of the country. In zones of endemic American cutaneous leishmaniasis, L. gomezi, L. trapidoi, L. panamensis, L. ovallesi and L.yuilli were remarkable for their abundance, their presence within dwellings and their epidemiological relevance. In areas of visceral leishmaniasis, the most relevant species was L. longipalpis. CONCLUSION: The significant presence of vectors within human dwellings and the prevalence of human infection are continuing evidence of household transmission of Leishmania as an important public health problem in this department of Colombia.
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