Introducción. Se describen las características e importancia epidemiológica de los triatominos presentes en un foco de enfermedad de Chagas en el municipio de Talaigua Nuevo, departamento de Bolívar. Objetivo. Determinar y correlacionar características ecológicas de los triatominos presentes en un foco de Chagas en el municipio de Talaigua Nuevo, Bolívar. Materiales y métodos. La captura de los triatominos se realizó en 300 domicilios del casco urbano en los que se revisaron el intra y peridomicilio, así como ambientes extradomésticos (palmas de vino y cúmulos de madera y leña). Resultados. Se capturaron 103 triatominos pertenecientes a cuatro especies: Triatoma maculata, Eratyrus cuspidatus, Panstrongylus geniculatus y Rhodnius prolixus. T. maculata, fue la especie predominante (92,3%). El 93% de los triatominos fueron capturados en ambientes intradomiciliarios. Conclusión. Se reporta por primera vez en Bolívar la captura de individuos de T. maculata infectados naturalmente con Trypanosoma sp. Se amplía la distribución geográfica de P. geniculatus y R. prolixus. El análisis de correspondencias múltiples no encontró ninguna relación significativa entre las características físicas de las viviendas y la presencia de triatominos dentro de ellas.Palabras clave: insectos vectores, Reduviidae, Triatominae, Triatoma, enfermedad de Chagas. Triatomines (Reduviidae: Triatominae) in a Chagas disease focus in Talaigua Nuevo (Bolívar, Colombia)Introduction. The epidemiological importance and ecological characteristics of triatomines were investigated in a Chagas disease focus in Talaigua Nuevo, Bolivar Province. Objective. To describe and correlate the ecological characteristics of triatomines in a Chagas disease focus. Materials and methods. Triatomines were collected in 300 domiciles located in the urban zone of Talaigua Nuevo. This included inspection of microhabitats in and around the domestic environment, and also wine palms, woodpiles and firewood. Results. Among the 103 triatomines collected, four species were identified--Triatoma maculata, Eratyrus cuspidatus, Panstrongylus geniculatus, and Rhodnius prolixus. T. maculata was the most abundant species (92.23%). The majority (93%) were collected in the intradomiciliary environment. Conclusion. Individuals of T. maculata naturally infected with Trypanosoma were recorded for the first time in Bolivar Province. The distribution range of P. geniculatus and R. prolixus was expanded. Using a multiple correspondence analysis, no relationship was discerned between the house type and occurrence of triatomines.
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