The genus Buenoa contains 69 described species, 15 occurring in the North Region of Brazil. Here we present new records for the States of Pará, Amazonas, Roraima, and Rond6nia. We examined 16 species: B. amnigenoidea Nieser, 1970, B. amnigenopsis Nieser, 1975, B. amnigenus White, 1879, B. exilidens Barbosa, Nessimian & Ferreira-Keppler, 2010, B. dilaticrus Barbosa, Nessimian & Ferreira-Keppler,...