Four new species of Harmonicon F. O. Pickard-Cambridge 1896 from Brazil with the first male description of H. rufescens (Araneae: Mygalomorphae: Dipluridae)

Abstract

Four new species of Harmonicon F. O. Pickard-Cambridge 1896 are described from the Cerrado biome of Brazil. Three new species are from Tocantins state, in the North region of Brazil: H. arraias n. sp. (♂), H. palmas n. sp. (♂♀), H. tocantins n. sp. (♂), and one new species is from Mato Grosso state, in the Central-west Brazil: H. guimaraes n. sp. (♂♀). Furthermore, we here describe for the first time the male of H. rufescens F. O. Pickard-Cambridge 1896 and expand the distribution range of this species and that of H. candango Wermelinger-Moreira, Castanheira & Baptista 2024.