Brachystethus improvisus Breddin, 1905 [Fig. 48]

Distribution. Guatemala, Costa Rica, Panama, Colombia, Brazil, and Bolivia.

Distribution in Colombia. Cundinamarca and Valle del Cauca.

Remarks. Brachystethus improvisus has the abdominal sternites uniformly brown to dark brown, the antennal segment IV is cylindrical, and the lobes of the dorsal rim of the pygophore are projected and well developed.

References. Barcellos & Grazia 2003.

Examined material. COLOMBIA: 2♀, Valle del Cauca, El Queremal, Antigua vía al Mar, 3°33’49.1’’ N, 76°45’31.1’’ W, 107.2 m, 8 ix 2007, Diana M. Montoya (MUSENUV); Reserva Forestal de Yotoco, 3°51’48’’N, 76°23’9’’W, 609 m, manual, 5 xii 2009, Marcela González (MUSENUV) .