Ampelophaga formosana Matsumura, 1927, J. Coll. Agric. Hokkaido Imp. Univ. 19: 4. Type locality: [Taiwan, Nantou Hsien,] Horisha [Puli].
Synonym. Ampelophaga formosana Matsumura, 1927.
Wingspan: 67--73mm.
Taiwan: iii-v (Kaohsiung Hsien); iii-ix (Hualien Hsien); v (??Losau); vii (Taipei Hsien; ??Hinokiyama).
OVUM:
LARVA:
PUPA:
Larval hostplants.
Taiwan: Hualien Hsien (Taroko National Park); Taipei (Sindian); Taipei Hsien (Wulai, 500m; Fushan); Nantou Hsien (Puli); Kaohsiung Hsien (Shanping, 640m); ??Hinokiyama; ??Losau, 1350m.
Endemic to Taiwan.