Key to the Anerastiini species of Ukraine based on external characters

1. Forewing pattern with greyish-black dorsal 2/3 and white costal 1/3; antennae in male unipectinate (Figs 50–55, 59, 62).................................................................................. Zophodiodes leucocostella

– Forewing more uniformly coloured; antennae filiform (Figs 1, 2, 11, 15–20, 36–39)................................ 2

2. Head with long prominant frontal process (Figs 40–43)....................................... Coenochroa ablutella

– Head without frontal process (Figs 3, 12) or with short hump (Figs 16a, 21)...................................... 3

3. Labial palpus five times as long as eye diameter (Fig. 12)................................... Ematheudes punctellus

– Labial palpus three times as long as eye diameter (Figs 3, 16a, 21).............................................. 4

4. Labial palpus narrow, of equal width, up-curved, head without frontal hump (Fig. 3)............. Hypsotropa unipunctella

– Labial palpus broadened in middle, down-curved, head with short frontal hump (Figs 16a, 21)........... Anerastia lotella