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

1. Tegulae and base of forewing white (Fig. 8); basal portion of valva distinctly broader than long (ration width/length=1.17), phallus with two prolonged cornuti of different length (Fig. 21); female unknown.................... E. rutjani sp. nov.

- Tegulae and base of forewing black (Figs 1–7, 9, 10); basal portion of valva narrower (ration width/length less than 1.17), phallus with a set of cornuti (Figs 15–20, 22)............................................................... 2

2. Forewing with distinct dark bronze shine, wingspan 6.0– 6.1 mm (male) (Figs 9, 10). Basal portion of valva narrow (ration width/lengh=0.8), costal margin straight; two fused cornuti with sub-triangular base and narrow needle-shaped apex (Fig. 22); female unknown..................................................................... E. zagulajevi sp. nov.

- Forewing without bronze shine, wingspan 6.5–7.0 mm (male), and 4.0– 5.5 mm (female) (Figs 1–7, 11–14); basal portion of valva broader (ratio width/length more than 0.8), costal margin weakly concave, cornuti of other shape (Figs 15–20)...... 3

3. Silver-white pattern narrow, costal and dorsal spots nearly connected (Figs 1–4), hindwing of female shortened to 1/3 length of forewing (Fig. 12); phallus with two-three elongated distinctly serrated cornuti (Figs 15–18); the ratio apophysis posteriores/ anteriores length is 3.2–3.6 (Fig. 23)...................................................... E. ajpetrica sp. nov.

- Silver-white pattern broad, costal and dorsal spots broadly separated (Figs 5–7), hindwing of female shortened to 1/2 length of forewing (Fig. 14); phallus with two triangular cornuti (Figs 19, 20); the ratio apophysis posteriores/anteriores length is 4.0– 4.2 (Fig. 26)........................................................................ E. kimmeriella sp. nov.