The Megaloptera (Insecta) of Tocantins State, Brazil Author Andrade, Iury Cesar Pires De iuryrasec. bio @ gmail. com; http: // orcid. org / 0000 - 0002 - 5132 - 5409 & andresf @ mail. uft. edu. br; http: // orcid. org / 0000 - 0002 - 5635 - 0291 & tkkrolow @ gmail. com; https: // orcid. org / 0000 - 0002 - 6453 - 0057 & iuryrasec. bio @ gmail. com; http: // orcid. org / 0000 - 0002 - 5132 - 5409 & tkkrolow @ gmail. com; https: // orcid. org / 0000 - 0002 - 6453 - 0057 Author Fernandes, André Silva iuryrasec. bio @ gmail. com; http: // orcid. org / 0000 - 0002 - 5132 - 5409 & andresf @ mail. uft. edu. br; http: // orcid. org / 0000 - 0002 - 5635 - 0291 & tkkrolow @ gmail. com; https: // orcid. org / 0000 - 0002 - 6453 - 0057 & Programa de Pós-Graduação, Rede de Biodiversidade e Biotecnologia da Amazônia Legal (BIONORTE / UFRR) CEP 69310 - 000, Boa Vista, RR, Brazil & andresf @ mail. uft. edu. br; http: // orcid. org / 0000 - 0002 - 5635 - 0291 Author Krolow, Tiago Kütter iuryrasec. bio @ gmail. com; http: // orcid. org / 0000 - 0002 - 5132 - 5409 & andresf @ mail. uft. edu. br; http: // orcid. org / 0000 - 0002 - 5635 - 0291 & tkkrolow @ gmail. com; https: // orcid. org / 0000 - 0002 - 6453 - 0057 & iuryrasec. bio @ gmail. com; http: // orcid. org / 0000 - 0002 - 5132 - 5409 & tkkrolow @ gmail. com; https: // orcid. org / 0000 - 0002 - 6453 - 0057 text Zootaxa 2020 2020-07-15 4816 1 144 148 journal article 10.11646/zootaxa.4816.1.12 1175-5326 3954081 Corydalus affinis Burmeister, 1839 Fig. 2 A–E Diagnosis, male . Head moderately pale yellowish brown, unpatterned, with subtle brown postocular band ( Fig. 2A, E ). Mandibles elongate, dark reddish-brown ( Fig. 2A ). Antennae filiform, slender, dark brownish to black ( Fig. 2A ). Genitalia slightly sclerotized; tergite IX short and almost 2X wider posteriorly; tergite X and gonostyli IX long and slender, densely covered with hair and subequal in shape and length ( Fig. 2 C–D). Female . Morphologically similar to the male, except for the shorter mandibles ( Fig. 2B ) and genital characters. Mandibles dark reddish-brown, with three oblique, subequal pre-apical teeth ( Fig. 2B ). Material examined. BRAZIL , Tocantins , Pium , Centro de Pesquisa Canguçu , 09°58ʹ44.4ʺ S , 50°02ʹ13.1ʺ W , 10- 12.xii.2015 , leg. Krolow , T . K. & Equipe ( 4 ♀ , 1♂ CEUFT ); idem, 01- 02.xi.2016 , Krolow , leg. T . K. & Equipe ( 1♀ CEUFT ); Nova Rosalândia , 10°32’18.2” S , 48°59’28.2” W , 08.xi.2003 , leg. Sousa, A.W. ( 1♀ CEUFT ) . Distribution. Argentina , Bolivia , Brazil : Acre , Amapá , Amazonas, Bahia , Espírito Santo , Mato Grosso , Pará, Rio Grande do Sul , Roraima , São Paulo , Santa Catarina , Rondônia , Tocantins ; Colombia , Ecuador , French Guiana , Guyana , Paraguay , Peru , Venezuela ( Ardila-Camacho & Contreras-Ramos 2018 ; Rafael & Câmara 2020 ).