Interesting findings of rare geometrid species (Lepidoptera, Geometridae) in the Altai

Five rare species, Macaria halituaria (Guenée, [1858]), Chelegnophos ravistriolaria (Wehrli, 1922), Ch. tholeraria (Pungeler, 1901), Scotopteryx transbaicalica (Djakonov, 1955), and Xanthorhoe stupida (Alphéraky, 1897), are described. Chelegnophos tholeraria was found for the first time in the territory of Russia, and Ch. ravistriolaria and S. transbaicalica, in the territory of the Altai. Drawings of genitalia are given for all the species studied, and some differences from closely related species are presented. The male genitalia of X. stupida and Scotopteryx burgaria and the female genitalia of S. transbaicalica are described for the first time.