Key to the species of the Eudarcia glaseri -group based on external and on genitalia characters

1. Frons with tuft of yellowish-orange scales, black pattern on the forewing well developed, wingspan 8.0– 8.5 mm (Figs 6–7). Uncus projections very short, valva without row or tuft of setae in middle, saccus long, weakly constricted in middle (Figs 14– 14 a). Caudal sclerotized portion about 3/4 length of the ductus bursae, antevaginal plate weakly sclerotized, signa forming large paired clusters of rows of small thorns (Figs 17–17 a)...................................... E. ignorata sp. n.

- Frons with tuft of dirty-white scales, black pattern on the forewing weakly developed, wingspan 6.3–10.8 mm (Figs 1–5). Uncus projections long, valva with row or with tuft of strong stake-shaped or pointed setae in middle, saccus shorter, not constricted in middle (Figs 11–13 a). Caudal sclerotized portion from 2/5 to 3/5 length of the ductus bursae, antevaginal plate well sclerotized, signa forming an irregular cluster of small thorns (Figs 15–16)........................................ 2

2. Wingspan 6.3 mm (Fig. 4). Valva with small tuft of short, comparatively weak setae, phallus comparatively short (1.1 times longer than the length of valva) and broad, saccus 1/3 length of valva (Fig. 12). Female unknown........ E. saxatilis sp. n.

- Wingspan 7.0– 10.8 mm (Figs 1–3, 5). Valva with large tuft or with row of strong pointed setae in middle, phallus comparatively long (1.4–1.6 times longer than the length of valva) and narrow, saccus longer than 1/3 of valva (Figs 11, 13–13 a).... 3

3. Wingspan 7.0– 9.8 mm (Figs 1–3). Uncus projections comparatively long, valva with tuft of strong pointed setae before middle, saccus sub-rectangular with rounded apex (Fig. 11). Caudal sclerotized portion about 2/5 length of the ductus bursae and distinctly longer than apophyses anteriores, signa forming a single cluster of small thorns (Fig. 15)................ E. glaseri

- Wingspan 8.0– 10.8 mm (Fig. 5). Uncus projections comparatively short, valva with long row of stick-shaped setae in middle, saccus sub-triangular, tapered apically (Figs 13–13 a). Caudal sclerotized portion about 3/5 length of the ductus bursae and shorter than apophyses anteriores, signa forming a paired large clusters of small thorns (Fig. 16)........... E. abchasicum