Risk of domiciliation of Triatoma williami Galvão, Souza e Lima, 1965 in a municipality of Brazilian Legal Amazon region

Abstract Objective To notify the positivity and presence of vectors in natural and artificial ecotopes and analyze the basic knowledge of the Chagas disease vectors among population of amazon legal municipality. Methods The molecular confirmation of the parasite species was by PCR using species-specific markers. Data collection was conducted using semi-structured interviews. Results All of 34 specimens collected were classified to be a single species, Triatoma williami. The natural infection rate of vectors in the specimens by T. cruzi was 30%. Most interviewees recognized adult triatomines. For 24.43% of respondents who had found the vector inside the house the main practice reported was killing the insects by crushing. Conclusions Despite the knowledge shown by the residents, educational measures are needed to improve entomological surveillance of Chagas disease into enzootic amazon area.