Glaresis orthochilus sp. nov. （Scarabaeoidea： Glaresidae）, the best preserved glaresid fossil, is described and illustrated from the Yixian Formation of western Liaoning province, north-east China. Glaresidae, the sister group of all extant Scarabaeoidea was established in the Upper Jurassic/Lower Cretaceous and contained larger species than those found today.
