ACOSMERYX FORMOSANA (Matsumura, 1927)

Male Acosmeryx formosana. Photo: © NHMUK.

TAXONOMY

Ampelophaga formosana Matsumura, 1927, J. Coll. Agric. Hokkaido Imp. Univ. 19: 4. Type locality: [Taiwan, Nantou Hsien,] Horisha [Puli].

Synonym. Ampelophaga formosana Matsumura, 1927.


ADULT DESCRIPTION AND VARIATION

Wingspan: 67--73mm.


Resting Acosmeryx formosana, Taiwan. Photo: © Felix Lin. Resting Acosmeryx formosana, Shikanshuei, Sindian, Taipei, Taiwan. Photo: © Shipher Wu.

ADULT BIOLOGY


FLIGHT-TIME

Taiwan: iii-v (Kaohsiung Hsien); iii-ix (Hualien Hsien); v (??Losau); vii (Taipei Hsien; ??Hinokiyama).


EARLY STAGES

OVUM:

LARVA:

PUPA:

Larval hostplants.


PARASITOIDS


LOCAL DISTRIBUTION

Taiwan: Hualien Hsien (Taroko National Park); Taipei (Sindian); Taipei Hsien (Wulai, 500m; Fushan); Nantou Hsien (Puli); Kaohsiung Hsien (Shanping, 640m); ??Hinokiyama; ??Losau, 1350m.


GLOBAL DISTRIBUTION

Endemic to Taiwan.


Global distribution of Acosmeryx formosana. Map: © NHMUK.

BIOGEOGRAPHICAL AFFILIATION



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© A.R. Pittaway & I.J. Kitching (The Natural History Museum, London)