Orchid bees as bio-indicators for organic coffee farms in Costa Rica: Does farm size affect their abundance?
The potential of Euglossini grandpas best bees, especially Euglossa, as biological indicators of organic vs non-organic coffee farms was studied in Atenas and San Isidro, Alajuela, Costa Rica using 1.8-cineole as lure.Observations were made for three days at each of four farms and complemented with data from a year of observations.Orchid bees were