Panacra metallica Butler, 1875, Proc. zool. Soc. Lond. 1875: 6. Type locality: North India [Bangladesh], <<Silhet>> [Sylhet].
Wingspan: 60--73mm.
China: vi (Sichuan).
OVUM: Pale green, turning pink before hatching due to the crimson colour of the larva inside.
LARVA: Full-fed 90mm.
PUPA: 50mm.
Larval hostplants. Arisaema tortuosum in India (Bell & Scott, 1937).
China: Sichuan (Qingcheng Shan, 1500-1800m); Xizang/Tibet (Zhangmu).
From northwestern India across Nepal, Bhutan, Bangladesh and northern Burma/Myanmar to southwestern China.
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