According to Auke Hielkema, founder and administrator at Guianas Nature Forum (GNS), this is a spittle bug (or froghopper) in the Cercopidae family.

I think it belongs to the genus Sphenorhina but I am not sure.

Montezuma Lodge area, Parque Nacional Tatamá, Risaraldas, Colombia, 29 June 2015