The first report of the occurrence of Panstrongylus geniculatus (Latreille) 1811 was reported in the state of Pernambuco. Therefore its distribution was amplified, and now, such as P. megistus, is the most widely distributed species in Brazil. P. geniculatus was found by healthworkers in intradomiciliary environments in Vitória de Santo Antão, testing positive for flagellates observed by direct examination of intestinal contents, and Giemsa staining