Sphingidae of the Eastern Palaearctic - Ambulyx japonica angustifasciata

AMBULYX JAPONICA ANGUSTIFASCIATA (Okano, 1959)

Adult male Ambulyx japonica angustifasciata. Photo: © NHMUK

TAXONOMY

Oxyambulyx japonica angustifasciata Okano, 1959, Rep. Gakigei Fac. Iwate Univ. 14: 40. Type locality: Central Formosa [Taiwan, Nantou Hsien], Puli - Wushe.

Synonym. Oxyambulyx japonica angustifasciata Okano, 1959.

ADULT DESCRIPTION AND VARIATION

Wingspan: 85-90mm.

Female Ambulyx japonica angustifasciata, Tsueifeng (2200m), Nantou Hsien, Taiwan. Photo: © Shipher Wu.

Male Ambulyx japonica angustifasciata, Taiwan. Photo: © Felix Lin.

ADULT BIOLOGY

Frequents mid-elevation monsoon evergreen broad-leaved forest.

FLIGHT-TIME

Taiwan: iii-vi (Kaohsiung Hsien; Hualien Hsien; Nantou Hsien); vi (Nantou Hsien); vii (Taitung Hsien).

EARLY STAGES

OVUM:

LARVA:

PUPA:

Larval hostplants.

PARASITOIDS

LOCAL DISTRIBUTION

Taiwan: Hualien Hsien (Taroko National Park); Nantou Hsien (Hotso; Puli; Jenai; Tsueifeng, 2200m); Taitung Hsien (Donghe Township, 560m); Kaohsiung Hsien (Shanping, 640m).

GLOBAL DISTRIBUTION

Endemic to Taiwan. There are two other subspecies, in Japan and Korea/eastern China.

Map: Distribution of species of the Ambulyx placida-group: Ambulyx japonica japonica (blue dots); Ambulyx japonica koreana (pink patch); Ambulyx japonica angustifasciata (green dots); Ambulyx placida (ochre squares); Ambulyx semiplacida semiplacida (red dots); Ambulyx semiplacida montana (black dots); Ambulyx semiplacida interplacida (orange patch); Ambulyx semiplacida bhutana (yellow dots); and Ambulyx wukong (purple squares). (© Jiang, Kitching, Xu, Xu, Yan, Yu, Liu & Hu, 2025).

BIOGEOGRAPHICAL AFFILIATION

Holarctic; eastern Palaearctic region. Pleistocene refuge: Monocentric -- Sinopacific refugium.

BIOGEOGRAPHICAL AFFILIATION

Return to Sphingidae of the Eastern Palaearctic species list