The taxonomic catalog of the Brazilian fauna: biodiversity and geographical distribution of Triatominae (Hemiptera: Reduviidae) in Brazil Author Galvão, Cleber Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Instituto Oswaldo Cruz. Author Gil-Santana, Hélcio R. Laboratório de Diptera, Instituto Oswaldo Cruz. Avenida Brasil 4365, 21045 - 900 Rio de Janeiro, RJ, Brazil. clebergalvao@gmail.com Author Oliveira, Jader de Laboratório de Entomologia em Saúde Pública, Faculdade de Saúde Pública, Universidade de São Paulo. & Programa de Pós-GraduaÇão em Ciência, InovaÇão e Tecnologia para a Amazônia, Universidade Federal do Acre. Rodovia BR 364, km 4, 69920 - 900 Rio Branco, AC, Brazil. text Zoologia 2024 e 24006 2024-09-06 41 1 28 https://doi.org/10.1590/s1984-4689.v41.e24006 journal article 10.1590/S1984-4689.v41.e24006 1984-4689 2EB17AC1-901B-483D-9752-3574A681A1 Triatoma pseudomaculata Corrêa & Espínola, 1964 Distribution. Alagoas , Bahia , Ceará , Distrito Federal , Goiás , Maranhão , Minas Gerais , Mato Grosso , Mato Grosso do Sul , ParaÍba , Pernambuco , PiauÍ , Rio Grande do Norte , Sergipe and Tocantins . Public health importance. This species has been collect- ed in the bird nests, hollow trees and under bark; frequently found in peridomiciliar environments in the semi-arid (“caatinga”) environments ( Carcavallo et al. 1999 ) and it is able to feed on cockroaches ( Freitas et al. 2005 , Pontes et al. 2011 ). It has been found naturally infected by T. cruzi , but this species occurs in low numbers and was not considered an important vector of Chagas disease before 1980s ( Lent and Wygodzinsky 1979 ). However, this species is in the process of domiciliation ( De Assis et al. 2007 ) and it can present a high natural T.cruzi infection rate ( Sarquis et al. 2004 ). One case of T. cruzi transmission by this species to a woman was reported in Ceará State ( Diotaiuti 2009 ). So, this species is becoming more important as a vector at recent years. Remarks. This species is morphologically very similar to T. maculata , both being regarded as the same species until 1964 ( Lent and Wygodzinsky 1979 ). Belisário et al. (2007) showed no differences in reproduction patterns, and they are able to cross, generating infertile hybrids. However, in the same year, Santos et al. (2007) performed an enzymatic, morphometric and cytogenetic comparison of them and stat- ed that both species belong to distinct evolutionary lineages.