Panstrongylus megistus em ecótopos artificiais de ilhas do Alto Rio Paraná

in response to complaints of triatomines on islands of the alto paraná river, an investigation to determine the presence of triatomines was conducted in 145 artificial ecotopes and 4 (2.8%) were infested, comprising a residence, a sports and leisure club, a former school and a woodpile. of the 35 p. megistus collected, 17 were analyzed and 12 (70.6%) were found to be infected with trypanosoma cruzi. birds and rodents were the most common food sources. all serologic examinations (56 human, 18 dogs and 10 cats) were negative.