Callambulyx poecilus formosana Clark, 1935, Proc. New Engl. zool. Club 15: 24. Type locality: Formosa [Taiwan, Nantou Hsien], Hori [Puli].
Synonym. Callambulyx tatarinovii formosana Okano, 1958.
Wingspan: 56--70mm.
Taiwan: iii (Hualien Hsien); 30.xi (Nantou Hsien).
OVUM:
LARVA:
PUPA:
Larval hostplants. Zelkova serrata.
Taiwan: Hualien Hsien (Taroko National Park); Nantou Hsien (15km N Puli, Huisun Forest, 500m; Puli; Lushan Spa, 1200m); Kaohsiung Hsien (Shanping, 640m); Taoyuan Hsien (Galahe).
Endemic to Taiwan.