Carcina quercana is a species of moth of the Depressariidae family. It is found in Europe. It has been introduced recently in North America, British Columbia and western Washington. It is occasionally known by several common names including oak lantern, long-horned flat-body, and oak-skeletonizer moth (the last most common in North America). The wingspan is 16–20 mm. The larvae feed on various deciduous trees, including Oak and Beech.