<i>Pterophorus poculidactyla</i> sp. n. from the Altai Mountains (Lepidoptera: Pterophoridae)

In late June 2000, two specimens of a small, dark pterophorid moth were collected from the Kurai region in the SE Altai Mountains. The taxon belongs to the genus Pterophorus, based on the forewing veins R1, R2 and R3 fused with vein R4, external appearance of the moth and details in the male genitalia such as a robust, moderately short saccular process and a very long, curved aedeagus. Externally it resembles P. volgensis (Moschler, 1862) and P. taklamakanus (Arenberger, 1995), the former known from the southeastern part of the European Russia and the latter by a single specimen from Tibet (Arenberger 1995). However, the male genitalia of the Altaian specimens are clearly different from those of closely related species. The new taxon is described in this paper.