AMBULYX JAPONICA JAPONICA (Rothschild, 1894)

Adult female Ambulyx japonica japonica. Photo: © NHMUK Adult male Ambulyx japonica japonica. Photo: © NHMUK

TAXONOMY

Oxyambulyx japonica Rothschild, 1894, Novit. zool. 1: 87. Type locality: Japan: Kiushiu [Kyushu].


ADULT DESCRIPTION AND VARIATION

Sexually dimorphic. In the male genitalia, abdominal sternum A8 with two tubercles internally near middle of apical margin and which are a little higher and father apart than in Ambulyx subocellata. Gnathos less deeply sinuate than in Ambulyx placida. Harpe resembling that in Ambulyx placida: ventral process triangular, pointed; other process composed of two lamelliform ridges the upper edges so bent towards each other that a hollow cylinder if formed and produced distad. Aedeagus somewhat bent, its apical edge developed into a short, strongly chitinised hook.


Disturbed female Ambulyx japonica japonica, Japan. Photo: © Kenichiro Nakao.

ADULT BIOLOGY


FLIGHT-TIME

Japan: 5-27.v (Honshu); 2.vi (Honshu); 14-28.vi (Honshu); 1-16.vii (Honshu); 29.vii (Tsushima).


EARLY STAGES

OVUM:

LARVA:

PUPA:

Larval hostplants. Recorded from Acer (Inoue et al., 1982) and Carpinus japonica (Nakamura, 1977). Yano (1994) reared it on Carpinus laxiflora and C. tschonoskii. Juglans mandschurica and Rhus javanica were refused.


PARASITOIDS


LOCAL DISTRIBUTION

Japan: Honshu (Takao-San; nr. Hinoharu; Tokyo; Mikaboyama, 750m; Namezawa Spa, 700m; Bushi; Mononoki Spa, 950m); Shikoku; Kyushu; Tsushima (Sasuna).


GLOBAL DISTRIBUTION

Endemic to Japan.


Global distribution of Ambulyx japonica japonica. Map: © NHMUK.

BIOGEOGRAPHICAL AFFILIATION



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