Key to species identification based on external characters of adult specimens

1. Forewing with large dark spot on posterior margin (Figs 1, 3, 5, 11–14).......................................... 2

- Forewing without spot on posterior margin (Figs 6–10, 15).................................................... 5

2. Ground colour of the forewing white (Fig. 5).............................................. A. lacistoides sp. nov.

- Ground colour of the forewing grey or brown.............................................................. 3

3. Ground colour of the forewing grey, forewing broad (Figs 11–14)...................................... A. tauropis

- Ground colour of the forewing brown, forewing narrow...................................................... 4

4. Segment 2 of labial palpus roughly scaled, apex of the forewing concolorous with ground colour (Figs 1, 17)............................................................................................... A. angustella sp. nov.

- Segment 2 of labial palpus smoothly scaled, apex of the forewing darker than ground (Figs 3, 18)........ A. fuscomaculata

5. Ground colour of the forewing light, pale (Figs 7–10, 15)..................................................... 6

- Ground colour of the forewing dark, brown to greyish-brown (Figs 2, 4, 6)....................................... 7

6. Forewing predominantly pale, hindwing light grey (Fig. 15)................................ A. unipunctella sp. nov.

- Forewing distinctly shaded with dark along margins and near apex, hindwing dark brown (Figs 7–10)......... A. strigifera

7. Head ochreous brown, thorax black (Fig. 6)............................................ A. ochrocapitella sp. nov.

- Head concolorous with thorax (Figs 2, 4).................................................................. 8

8. Segment 2 of labial palpus with tuft of scales beneath, hindwing lighter than forewing (Fig. 4)................. A. hirsuta

- Segment 2 of labial palpus smooth scaled, hindwing darker than forewing (Fig. 2)....................... A. centrotypa