Arvelius acutispinus Breddin, 1909

Distribution. Colombia, Venezuela, Peru, Brazil, Bolivia, and Paraguay.

Distribution in Colombia. Amazonas.

Remarks. Arvelius acutispinus has the humeral spines conspicuously long and thin, the labium reaching the abdominal sternite IV, and the basal protuberance of the paramere is triangular.

References. Brailovsky 1981.