Tropical Ecology and Conservation [Monteverde Institute]

Alternative Title

La abundancia del insecto vector, Triatoma dimidiata (Reduviidae) y la ecología de la infección con Trypanosoma cruzi

Creator

Erica Vargas

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Publication Date

November 2009

Abstract

A study was conducted in the Monteverde region to determine patterns of infection in Triatoma dimidiata with Trypanosoma cruzi. It was predicted that proximity to domestic animals and looking at the sex ratio would reveal patterns of infection in T. dimidiata. This study was conducted in San Luis, and 12 properties were searched for T. dimidiata. Fourteen individuals were found overall at four sites with two infected individuals. However, the two infected individuals were found in close association with dogs. Fewer nymphs than expected were found this year. Weather patterns of the region could account for the low abundance of T. dimidata. Abundance from past years was also compared to 2002 and 2003. Another long-term study is needed to better understand the dynamics of Chagas disease in the Monteverde area. Se realizó un estudio en la región de Monteverde para determinar la distribución de la infección en Triatoma dimidiata con Trypanosoma cruzi. Se predijo que la proximidad a los animales domésticos y considerando la proporción de los sexos podría revelar los patrones de infección en T. dimidiata. Este estudio se realizó en San Luis y doce propiedades fueron exploradas en busca de T. dimidiata. Catorce chinches fueron encontrados en general en cuatro sitios con dos chinches infectados. Sin embargo, los chinches infectados fueron encontrados cerca de los perros. Se encontraron menos ninfas de lo esperado para este año. Los patrones climáticos de la región podrían explicar la baja abundancia de T. dimidiata. La abundancia de los años pasados fue comparada con los años 2002 y 2003. Se necesita hacer otro estudio a largo plazo para poder entender mejor las dinámicas de la enfermedad de Chagas en el área de Monteverde.

Keywords

Parasites, Parasitos, Insects, Insectos, Costa Rica--Puntarenas--Monteverde Zone--San Luis, Costa Rica--Puntarenas--Zona de Monteverde--San Luis, CIEE Fall 2009, CIEE Otoño 2009

Description

Student Affiliation : Department of Biological Sciences, Texas Tech University Born Digital

Subject: topical

Parasites; Parasitos; Insects; Insectos; CIEE Fall 2009; CIEE Otoño 2009

Subject: geographic

Costa Rica--Puntarenas--Monteverde Zone--San Luis; Costa Rica--Puntarenas--Zona de Monteverde--San Luis

Genre

Reports

Holding Location

|Monteverde Institute MVI

Identifier

M39-00553

The abundance of the vector insect, Triatoma dimidiata (Reduviidae) and the ecology of infection with Trypanosoma cruzi

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