| first finding of melanic sylvatic triatoma infestans (hemiptera: reduviidae) colonies in the argentine chaco. | triatoma infestans (klug), the most important vector of chagas disease in southern south america, is a highly domiciliated species with well-known sylvatic foci only in the bolivian andean valleys and in the bolivian chaco, where melanic insects designated as "dark morphs" were found. after the tentative identification of two melanic bugs collected from parrot nests in a forest reserve in the argentine chaco as t. infestans, we conducted an intensive search there using mouse-baited sticky traps ... | 2009 | 19769054 |