Garden tiger moth

Japanese: ヒトリガ(灯蛾) - ヒトリガ（英語表記）garden tiger moth

An insect of the family Arctiidae in the order Lepidoptera. It is a large moth with a wingspan of about 6cm. Its forewings are blackish brown with a white net-like band, and its hindwings and abdomen are bright red with 5-6 black bluish markings. It is widely distributed from Europe to Japan, and in Japan it is found in the cold regions of Hokkaido and Honshu. It appears in August and September and flies to lights. The larvae are polyphagous, feeding on mulberry, elderberry, and other weeds. Their bodies are black and covered with long hair, and mature ones are commonly seen walking on the ground in Britain looking for a place to pupate, hence the name woolly bear.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

鱗翅目ヒトリガ科の昆虫。大型のガで翅の開張6cm内外。前翅は黒褐色で，白帯が網目状にあり，後翅は腹部とともに鮮紅色，青色を帯びた黒紋が5～6個ある。ヨーロッパから日本まで広く分布し，日本では北海道と本州の寒冷地に産する。8～9月に出現し，灯火に飛来する。幼虫は多食性で，クワ，ニワトコ，そのほか雑草につく。体は黒く，長毛に覆われ，老熟したものが蛹化（ようか）の場所をさがすため，地上を歩く姿がイギリスではごくふつうに見られるので，woolly bearと呼ばれている。

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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