Oebalus ypsilongriseus (DeGeer, 1773) [Fig. 69]

Distribution. Colombia, Venezuela, Guyana, Surinam, Brazil, Peru, Paraguay, Uruguay, and Argentina.

Distribution in Colombia. Amazonas, Bolívar, Boyacá, Caquetá, Cundinamarca, Meta, and Tolima.

Remarks. Oebalus ypsilongriseus has the humeral angles with an acute process, the antennae with four segments, the antennal segment II is shorter than the antennal segment III, and both antennal segments are fused.

References. Sailer 1944, 1957; Becker & Grazia 1971; Castro-Huertas et al. 2015.