Chironius diamantina Fernandes and Hamdan, 2014
Type locality. Morro do Chapéu, Chapada Diamantina, state of Bahia, Brazil .
Distribution. Endemic to Brazil (Plt. 119A). Restricted to the southern portion of the Caatinga (Plt. 119A), at high elevations of the northern portion of the EspinhaÇo Range (Plt. 119B). Observed in the field in savanna (Fernandes and Hamdan, 2014).