Gymnoscelis, the pugs, is a large genus of moths in the family Geometridae described by Paul Mabille in 1868.
Palpi porrect (extending forward), where the second joint clothed with hair and reaching beyond the frontal tuft. Third joint prominent. Antennae of male ciliated. Hind tibia with a terminal spur pair, and rarely with a very minute medial pair. Abdomen with slight dorsal crests. Forewings with vein 3 from close to angle of cell. Vein 5 from middle of discocellulars and vein 6 from upper angle. Veins 10 and 11 stalked, and vein 10 anastomosing (fusing) with veins 7 to 9 to form areole. Vein 11 anastomosing with vein 12 as well. Hindwings with veins 3 and 4 from angle of cell and vein 5 from middle of discocellulars. Veins 6 and 7 from upper angle and vein 8 anastomosing with vein 7 to beyond middle of cell.[1]