They are most frequently encountered perching along the forest edge on the tops of leaves with the wings half open or nectaring on a variety of flowers, including Eupatorium, Daucus, Palicourea, Tournefortia, Urera, Senecio and Canna species.
This is a monotypic genus, containing the single species Merugia palicoureae, found on the living petioles of Palicourea plants in Guyana.