Hellinsia chamelai is a moth in a Pterophoridae family that is found in Mexico and Costa Rica. The wingspan is 22–25 millimetres (0.87–0.98 in). Adults are black and have enlarged scale tufts on the hind legs. The wings have a purplish iridescence. They have a wasp-like appearance. Adults are primarily diurnal, which is unusual for the Pterophoridae family. They have been recorded in July, August, September, October and December in Mexico and in June in Costa Rica. Adults are on wing from June and July to October, and in December.