This is a member of the subfamily Rhytidochrotinae which is a subfamily of grasshoppers from the family Acrididae.
This group is found from southern Central America to northern South America (Costa Rica to Brazil) with most species distributed in montane forests.

1st photo: El Zancudo, Manizales, Colombia, 24 June 2015
2nd photo: Apía area, Risaraldas, Colombia, 30 June 2015