S. Mahunka szerk.: Folia Entomologica Hungarica 55. (Budapest, 1994)

Eupteryx (Stacla) irminae Dwor. 1 M, 7 F, Sikkim, Gangtok, N H-wy, 1800 m, 3. Ill; 5 M, 4 F, Rumtek, 1800 m, 6. Ill; 1 M, 1 F, Labrang, 1800-2000 m, 8. III. 1991,1. Dworakowska. Eupteryx (Stacla) janeki Dwor. 1 M, Sikkim, Rumtek, 1700 m, lamp domes, 1990; 15 M, 16 F, Gangtok, N H-wy, 1800 m, 3. III. 1991,1. Dworakowska. Eupteryx (Stacla) raczka sp. n. (Figs 689-705) Type material. - Holotype male: India, W Bengal, Lloyd Botanical Gardens, 23. X. 1981, C.A. Viraktamath (in UAS). - Paratypes: 1 M, 1 F (wax-field blackish), same data as the holotype; 1 M, same locality and date; 1 F, Kurseong, 22. X, 1981, S. Viraktamath; 2 M, Algarah, 15 km NE of Kalimpong, 27. X; 3 M, 3 F, 6-9 km E of Kalimpong, 29. X. 1981, C. A. Viraktamath; 32 M, 17 F, Sikkim, Rumtek, 1800 m, 6. Ill: 2 M, 2 F, Labrang, 1800-2000 m, forest, 8. Ill; 2 M, 3 F, Pelling, 2000 m, 11. Ill; 1 M, Geizing, 1700 m, 12. III. 1991,1. Dworakowska (in UAS, BMNH, SMTD, NMNH and HNHM). Vertex narrow, elongated, rounded apically. A big blackish patch in centre of vertex expanding to eyes in form of dark streaks (Fig. 704). Sides of pronotum and its subanterior region as well as basal triangles, blackish; centre and hind part of pronotum sordid brownish; light areas seen in Fig. 704 whitish on vertex, sordid beige on remaining surface. Face yellowish. Fore wing brown to dark brown, wax-field usually yellowish, areas light in Fig. 705, whitish at margins, sordid beige elsewhere. In dark specimens almost whole vertex blackish and light pattern on fore wing reduced, sometimes even wax-field black. Length M 2.6-3.0, F 2.5-2.8 mm. Comparison. Male genital apparatus resembles that of E. (S.) irminae Dwor. but apex of paramere ((Figs 691, 702) shorter, dorso-caudal angle of pygofer bearing short extension (Figs 692, 693, 698, 699), penis stem sharply curved cephalo-dorsad at 1/3 from apex, provided with a field of tubercles on its dorsal side basally (Fig. 696) and anal tube appendage consists of a bunch of finger-like processes (Figs 690, 694, 695, 697, 703). Eupteryx (Stacla) sikkimensis sp. n. (Figs 706-715) Type material. - Holotype male: Sikkim, Labrang, 1800-2000 m, forest, 8. III. 1991, I. Dworakowska (in SMTD). - Paratypes: 7 M, 8 F, same data as the holotype (in SMTD, NMNH and HNHM). Live specimens predominantly dark olivaceous-greenish, dried ones greyish-yellow with olivaceous tint. Delicate olivaceous infuscation on yellowish-olivaceous upper side of head and thorax (Fig. 706). Face more greyish laterally, more yellowish centrally; short horizontal semicrescent-shape contrastic white patch at upper margin by an eye.