Xylomoia strix subsp. retinax Mikkola 1998, stat. nov.

Xylomoia strix retinax Mikkola, 1998 stat. nov. Figs 3, 36–41, 65–68, 87–89 Xylomoia strix retinax Mikkola, 1998: Systematic Entomology 23: 181. TL: “ Russia, Western Siberia, Akademgorodok (40 km SE Novosibirsk). ” Holotype male, ZMHF [examined]. Diagnosis. Distinguished from X. strix stangelmaieri by smaller pollex (Figs 65–68), from both congeners by lack of dark medial field on forewing (Figs 36–41), fold of ductus bursae (Figs 87–89) and genetically, having an average p - distance of 1.75 % from X. strix stangelmaieri and 0.33 % from X. strix strix. Average p - distance between X. strix retinax and X. graminea is 2.36 %, X. strix retinax and X. chagnoni, 7.22 %, and X. strix retinax and X. indirecta, 8.13 % (Fig. 90). Variability. Adults. May be dark-colored with brownish tinge (Figs 36–38) or pale-colored with yellowish tinge (Figs 39–41), submarginal area may be dark (e. g., Fig. 36) or pale (e. g., Fig. 38). Male genitalia. Uncus may gradually get thin towards apex (Figs 66, 68) or only be thin near its apex (Figs 65, 67), saccus varies in size, carina may be more (e. g., Fig. 65) or less pronounced (e. g., Fig. 67), additional cornutus similar to the basal one may be present near carina (Fig. 66), basal cornutus varies in size from small (e. g., Fig. 65) to large (e. g., Fig. 66), medial cornutus may be almost straight (Fig. 65) or c-shaped (e. g., Fig. 67). Female genitalia. Antevaginal plate slightly varies in thickness, bursa copulatrix and hind signum vary in size (Figs 87–89). Distribution area. Russia (Orenburg, Chelyabinsk, Omsk, Novosibirsk Oblasts and Altai Republic).