Helicopis gnidusHelicopis gnidus, the gnidus metalmark or spider-wing cupid, is a species of butterfly in the family Riodinidae.DescriptionIn Helicopis gnidus the uppersides of the wings are mainly black, with a large orange basal area, followed by a broad patch of white. The hindwings have iridescent patches as well as several long tails.DistributionThis species occurs in the northern countries of South America, mainly in Suriname, Brazil, Peru and Colombia.SubspeciesHelicopis gnidus gnidus Helicopis gnidus beaulieui Le Moult, 1939Helicopis gnidus galatea Stichel, 1919 Helicopis gnidus interrupta Le Moult, 1939 Helicopis gnidus medialis Schaus & Cockerell, 1923 Helicopis gnidus nigrobasalis Aurivillius, 1929 Helicopis gnidus obidonus Le Moult, 1939