Alcis bastelbergeri is a moth of the family Geometridae. It is found from Central Europe, through the Ural to the eastern Palearctic, where subspecies sachalinensis is found. The wingspan is 38–43 mm. Adults are on wing from July to September. The larvae feed on a wide range of plants, including Vaccinium myrtillus, Clematis vitalba, Rubus idaeus, Erica and Betula species. Adults feed on nectar of Knautia, Senecio ovatus and Eupatorium cannabinum.