Distribution. Colombia and Ecuador.
Distribution in Colombia. Antioquia, Huila, and Valle del Cauca.
Remarks. Antiteuchus nigricans has the body ventrally with a yellow to pale brown with dark brown spots coloration pattern, and the posterolateral angle of the pygophore nearly as long as the sclerotized area of the abdominal segment X.
References. Fernandes & Grazia 2006.