To characterize foraging activity of the social wasp Polybia emaciata nests were installed in three commercial monocultures (4 nests/culture) in the Colombian Caribbean Region. Observations were made for 36 days between 06: 00 and 18: 30 hours, with an average of 20 hours of observation per nest and 80 hours per crop. Foragers returned with liquid in 53.2% of the cases, with solid prey in 27.2%, and with building materials in 9.1%; the remaining 11.4% did not carry identifiable loads. The solid diet included prey from the orders