Ischnothyreus brunneus sp. n., male. A, C, E habitus, dorsal, lateral and ventral views B, D, F, J prosoma, dorsal, lateral, ventral and anterior views G, left leg IV, retrolateral view H, I chelicerae, anterior and posterior views. Scale bars: A, C, E, G = 0.4 mm; B, D, F, J = 0.2 mm; H, I = 0.1 mm.