Calycopis is a genus of butterflies in the family Lycaenidae. Massively split up by Kurt Johnson in 1991, most modern authors consider the changes proposed at that time to be unjustified. Most of the species of this genus are found in the Neotropical realm and others in the Nearctic realm. Species include: Several proposed species are of doubtful validity. - Calycopis cecrops Fabricius, 1793 – red-banded hairstreak - Calycopis isobeon Butler & H. Druce, 1872 - Calycopis pisis (Godman & Salvin, 1887) - Calycopis trebula (Hewitson, 1868) ; Trebula groundstreak