Polyptychus chinensis Rothschild & Jordan, 1903, Novit. zool. 9 (suppl.): 239. Type locality: China: "probably Yangtse-kiang Region".
Wingspan: 92--112mm.
Taiwan: iii-iv (Kaohsiung Hsien); iv (Hualien Hsien). Japan: 19.iv (Ryukyu Archipelago).
OVUM:
LARVA:
PUPA:
Larval hostplants.
Taiwan: Kaohsiung Hsien (Shanping, 640m).
Japan: Ryukyu Archipelago (Amami-Oshima).
Probably endemic to Taiwan and the southern Ryukyu Archipelago, contrary to what the type locality indicates.
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