Nuvol umbrosus wings (Brazil, Minas Gerais) A right forewing and hindwing B left forewing with cells and veins identified. Note presence of apical veinlets with and without forks, markings, radius turning downward at tip of wing, forewing with four intracubital cells. Abbreviations: b1 first upper Banksian cell; b’2 second lower Banksian cell; C costa; icu3, icu4 third and fourth intracubital cells; im1, im2 first and second intramedian cells; i.g. inner gradate series; m3 third median cell; Psm pseudomedia; R radius; Rs radial sector; rf origin of radial sector; rx1 first radial crossvein; Sc subcosta.