Large Brown Skipper - Large Brown Skipper

Japanese: オオチャバネセセリ - おおちゃばねせせり
Large Brown Skipper - Large Brown Skipper

A butterfly belonging to the family Hesperiidae in the order Lepidoptera of the class Insecta. It is widely distributed from Hokkaido to Kyushu, and is common in the Kanto region and north, but is generally rare in southwestern Japan. It has been recorded from the Korean Peninsula, northeastern China, and Taiwan, but whether it is the same species as the Japanese one requires further investigation. It resembles the common Japanese Skipper, but is easily distinguished by its long antennae compared to its overall size, and the white spots on its hindwings are not regularly arranged in a line like the Japanese Skipper, but are shifted alternately. In cold regions, it appears once a year in July and August, but in warm regions it appears twice a year (June and July, August and October), and a third generation can sometimes be seen in autumn. The larvae usually feed on bamboo, silver grass, Japanese silvergrass, reeds, and rice. They overwinter as larvae.

[Takashi Shiramizu]

Major species of Hesperiidae (3) [Specimen photographs]
©Shogakukan ">

Major species of Hesperiidae (3) [Specimens...


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

昆虫綱鱗翅(りんし)目セセリチョウ科に属するチョウ。北海道から九州まで広く分布し、関東地方以北では普通であるが西南日本では一般に少ない。外国では朝鮮半島、中国東北部、台湾から記録されているが、はたして日本産と同種であるかどうかはさらに検討を要する。普通のイチモンジセセリに似ているが、全体の大きさに対して触角が長いこと、後ろばねの白斑(はくはん)がイチモンジセセリのように一列に規則正しく並ばず、交互にずれることによって容易に見分けられる。寒冷地では年1回7~8月に発生するが、暖地では年2回(6~7月、8~10月)、秋季に第3化のみられることもある。幼虫の普通の食草はササ・タケの類、ススキ、チガヤ、ヨシ、イネなどにもつくことがある。越冬態は幼虫である。

[白水 隆]

セセリチョウ科のおもな種類(3)〔標本写真〕
©Shogakukan">

セセリチョウ科のおもな種類(3)〔標本…


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