Palpi upturned and very slender, almost naked, where the second joint reaching vertex of head, and third joint variable in length. Antennae minutely ciliated in male. Metathorax with a large spreading tuft. Abdomen with dorsal tufts on proximal segments. Male with a large anal tuft. Tibia spineless. Femur fringed with long hair, as also fore tibia. The mid tibia clothed with short hair and hind tibia and tarsi with long hair. Forewings with quadrateapex. A tooth of scaled usually found at outer angle. Cilia crenulate.