Hydromastodon sallesi Polegatto & Batista, 2007

Orlando, Thales Yann, Salles, Frederico Falcão, Boldrini, Rafael & Krolow, Tiago Kütter, 2021, Updated records for Leptophlebiidae (Ephemeroptera) and a new species of Thraulodes Ulmer, 1920 from Tocantins State, Northern Brazil, Zootaxa 5076 (1), pp. 39-55 : 43-44

Hydromastodon sallesi Polegatto & Batista, 2007

Distribution. Brazil (Roraima, Maranhão, Rondônia and Mato Grosso do Sul). New Record: Tocantins

Material examined. BRAZIL, Tocantins, Arraias, rio Palmas , 12°49’50”S / 46°54’32”W, 04.vii.2018, white sheet light trap, Alvim, B.G.C. coll. (3♂, CEUFT) .

Remarks. As discussed by Salles et al. (2016), this species can be found in western and northern Brazil, making the state of Tocantins an area with a high possibility of occurrence. It was only found in one site, in an area with Cerrado influence.