Smerinthus echephron Boisduval, [1875], in: Boisduval & Guenée, Hist. nat. Insectes (Spec. gén. Lépid. Hétérocères) 1: 21. Type locality: Japan.
Japan: 14.v-29.vii (Honshu); 25.v-7.vii (Hokkaido); 26.v (Shikoku); 23.vii (Tsushima).
OVUM: Pale, translucent jade green at first, but developing a yellow sheen; oval (2.00 x 1.4mm), shiny and smooth.
LARVA:
PUPA:
Larval hostplants. Recorded from many species of Prunus, including P. armeniaca, P. grayana, P. japonica, P. mume, P. salicina as well as Eriobotrya japonica, Kerria japonica, Malus halliana and Malus pumila. There are also reports of Buxus microphylla, Euonymus alatus and Weigela coraeensis.
Japan: Hokkaido (Kushiro); Honshu (Nashimoto; Tokyo; Yokohama; Nii-jima; Fujisawa; Bushi; Mitsunime; Kiyosato, 1300m); Shikoku (Shioemachi); Kyushu; Tsushima (Izuhara); Yakushima.
Endemic to Japan.
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