An insect of the Lepidoptera family Saturniidae (illustration). It is the smallest of the moths of this family found in Japan, with a span of about 6cm for males and about 9cm for females. There is a black mark in the center of the forewings, with a white mark in a shape of the letter "U" inside it, and the hindwings have a larger black ring with a blue interior and an anchor-shaped white mark in the center. The Japanese name Ezo Yotsume is a combination of the old name Ezo, as this moth was first discovered in Hokkaido, and the four large eye-like marks. Adults appear in the spring and fly to lights, but unlike other Saturniidae, they arrive just after sunset. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
鱗翅目ヤママユガ科の昆虫(イラスト)。日本産のこの科のガとしてはもっとも小型で,開張も雄は6cm内外,雌は9cm内外。前翅中央には黒紋があって,その中に〈く〉の字形の白紋があり,後翅にはこれより大きな黒環があり,その中は青色,中央に錨形の白紋がある。エゾヨツメという和名は,最初に北海道で発見されたのでその古称のエゾに,4個の大きな眼状紋を結びつけたものである。成虫は春に出現し,灯火に飛来するが,他のヤママユガと違って,日没後すぐに飛来する。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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