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Biomédica (Bogotá) ; 29(1): 73-86, mar. 2009. mapas, ilus, tab
Article in Spanish | LILACS | ID: lil-526105

ABSTRACT

Introducción. El registro de casos de leishmaniasis en el departamento de Guaviare evidenció la ausencia de estudios entomológicos dirigidos a identificar las especies de Lutzomyia de esa región del país. Objetivo. Determinar las especies del género Lutzomyia en los cuatro municipios del departamento del Guaviare y señalar por antecedentes vectoriales las especies con posible compromiso en la transmisión de la leishmaniasis. Materiales y métodos. El muestreo se realizó con trampas CDC colgadas entre 1,5 m y 9 m de altura. Además, se recolectaron flebótomos con trampa Shannon y en sitios de reposo. Resultados. Se recolectaron flebótomos pertenecientes a 37 especies; 35 de ellas se registran por primera vez para el departamento del Guaviare y cuatro para el país: L. begonae, L. campbelli, L. sericea y L. nematoducta. Las especies más abundantes fueron L. hirsuta 24,3% (148/610), L. yuilli 15,2% (93/610) y L. davisi 10,3% (63/610), seguidas por L. fartigi, L. carrerai, L. antunesi, L. flaviscutellata y L. olmeca bicolor. Conclusión. Se identificaron siete especies de Lutzomyia como posibles vectores de leishmaniasis.


Introduction. Although cases of leishmaniasis have been reported in the province of Guaviare, Colombia, no entomological studies were included to identify the Lutzomyia sand fly vector species in that area. Objective. Lutzomyia species were identified from four townships of Guaviare. Probable vectors were named based on those species involved in transmission in other areas. Materials and methods. Sampling was undertaken with CDC light traps suspended at heights between 1.5 m and 9 m. Additional sand flies were collected with Shannon traps and by aspiration of adult flies from daytime resting sites. Results. Sand flies belonging to 37 different species were collected. 35 of them were recorded for the first time in Guaviare Province. Four species were new records for Colombia: Lutzomyia begonae, L. campbelli, L. sericea and L. nematoducta. The most abundant species were L. hirsuta 24.3% (148/610), L. yuilli 15.2% (93/610), L. davisi 10.3% (63/610), followed by L. fartigi, L. carrerai, L. antunesi, L. flaviscutellata and L. olmeca bicolor. Conclusion. Seven of these species of have been associated previously with endemic or epidemic transmission of leishmaniasis.


Subject(s)
Amazonian Ecosystem , Biodiversity , Leishmaniasis, Cutaneous , Psychodidae , Colombia
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