This butterfly belongs to the order Lepidoptera, family Satyridae. It is often seen in the southwestern part of Japan from summer to autumn, but its frequency decreases as it travels north to the Kanto, Tohoku and Hokkaido regions. Its estimated northern limit of native habitat is the southern coast of Shikoku and Kyushu, and specimens collected north of this line are likely migrants from the south, or temporary outbreaks of such individuals. Outside of Japan, it is widely distributed in tropical regions of Asia and Africa, making it the most widely distributed of the Satyridae. Its wingspan is about 60-70 mm. Its wings are distinctive, with horn-like protrusions on the outer edge near the tip of the forewings and a tail-like protrusion on the hindwings. The upper surface of the wings is brown, and there is an eye pattern containing white spots near the tip of the forewings. The pattern on the underside varies depending on the season of emergence, with a wavy pattern in the summer type and a dead leaf pattern in the autumn type. They overwinter as adults, but this is rare among the Satyridae in Japan, with only two species, this one and the other, being the Black Coneworm. The larvae feed on plants from the Poaceae family, such as Job's tears, Chinese chisel, sugar cane, Japanese laurel, and rice. [Takashi Shiramizu] ©Shogakukan "> Major species of the Satyridae family (1) [Target… Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
昆虫綱鱗翅(りんし)目ジャノメチョウ科に属するチョウ。日本の南西部では夏から秋にかけてみられる事例が少なくないが、関東地方、東北地方、北海道と北上するにつれ、みられる頻度は減少する。推定される土着北限は四国、九州の南岸で、この線より北方で採集されるものは南方からの移動個体、あるいはそれによる一時的な発生であろう。国外ではアジアの熱帯地域、アフリカに広く分布し、ジャノメチョウの仲間ではもっとも分布範囲が広い種である。はねの開張60~70ミリメートル程度。はねの形に特徴があり、前ばねの先端に近い外縁に角状突出部と後ろばねに尾状突起がある。はねの表面は褐色で、前ばねの先端に近く白点を含む目玉模様がある。裏面の模様は発生する季節によって違い、夏型では波状模様、秋型では枯れ葉模様となる。成虫の状態で越冬するが、日本産のジャノメチョウ科で成虫越冬をするものは珍しく、本種とクロコノマチョウの2種があるのみである。幼虫の食草はジュズダマ、ダンチク、サトウキビ、メヒジワ、イネなどのイネ科の植物である。 [白水 隆] ©Shogakukan"> ジャノメチョウ科のおもな種類(1)〔標… 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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