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Background: This study is the first report of the species Panstrongylus rufotuberculatus in Roraima, a state in northern Brazil., Methods: We collected specimens from a residence in the municipality of Rorainópolis., Results: Our findings confirmed the occurrence of this species in Roraima, increasing the number of registered species from six to seven., Conclusions: Future studies are required to further investigate and expand our knowledge of the occurrence of this species and its epidemiological importance for this state.

Introduction: This study confirms the occurrence of Psammolestes tertius Lent & Jurberg, 1965 (Hemiptera, Reduviidae, Triatominae) in the state of Paraná, Brazil., Methods: In 2002, a male specimen of P. tertius was collected in the municipality of Porto Rico, Paraná, Brazil., Results: This finding adds to the data on the geographical distribution of P. tertius from 14 to 15 known occurrences in Brazilian states and, therefore, reports the increase in the diversity of triatomines in Paraná., Conclusions: The presence of P. tertius in the state of Paraná demonstrates that the biodiversity of these insects may have been underestimated.