Ties between Venezuela and Colombia were restored but tensions appear to linger.
The Ecuadorean Army says it destroyed 47 FARC camps in its territory last year. On Friday, Latin American leaders backed away from a war.
Food shortages and rising prices are eroding the leftist leader's approval ratings.
Colombian President Álvaro Uribe said Tuesday that his government would ask the International Criminal Court to try Venezuelan leader Hugo Chávez for financing and supporting Colombia's main rebel group.
The countries sent troops to protest Colombia's killing of a FARC leader in Ecuador.
Colombia forces killed a top rebel leader and several others in an airstrike on guerrillas based in Ecuador this weekend.