Spotted Sunflower - Spotted Sunflower

Japanese: キマダラヒカゲ - きまだらひかげ
Spotted Sunflower - Spotted Sunflower

A butterfly belonging to the family Satyridae in the order Lepidoptera of the class Insecta. For a long time, it was thought that there was only one species of Neope found in Japan, but it has become clear that this was a confusion between two species that look very similar, and the Japanese name Kimadarahikage is no longer used academically. The two species are Satokimadarahikage Neope goschkevitschii and Yamakimadarahikage N. niphonica . Both species are found from Hokkaido to Kyushu, but in many parts of Japan, the former species generally lives in plains and low mountains, while the latter species lives in mountains, so the Japanese names mentioned above were given to them. The latter species is found on Rishiri Island, Sado Island, and Yaku Island, while the former species is not found there. The wingspan of both species is about 55 to 65 millimeters. Both species emerge once a year (July and August) in cold regions (for example the mountainous regions of Hokkaido), and twice a year (April to June and July to September) in warm regions. The larvae of both species feed on bamboos, but while Sasa grazers eat bamboo and bamboo grass, Sasa grazers mainly eat bamboo grass and have a narrower range of preferences. In some regions, Sasa grazers feed on Japanese silver grass, but Sasa grazers do not eat it. Both species overwinter as pupae.

[Takashi Shiramizu]

Satokimadara Hikage
It is widely distributed from Hokkaido to Kyushu, and can be found in lowlands and hilly areas in the Kanto region and south. Wingspan is about 60 mm. Family: Satyridae ©Shogakukan Photo by Hideyuki Asakura ">

Satokimadara Hikage

Spotted hawk moth
It is found in mountainous areas throughout Japan. The ones found in the Boso Peninsula are slightly smaller than those in other regions. Wing span is about 60 mm. Family: Satyridae ©Shogakukan ">

Spotted hawk moth

Major species of the Satyridae family (2) [Specimen photographs]
©Shogakukan ">

Major species of the Satyridae family (2) [Target…


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

昆虫綱鱗翅(りんし)目ジャノメチョウ科に属するチョウ。日本に産するこのネオペ属Neopeのチョウは長い間ただ1種と思われていたが、これは外観的に酷似した2種を混同していたことが明確となったので、現在ではキマダラヒカゲの和名は学術上には用いられない。その2種はサトキマダラヒカゲNeope goschkevitschiiとヤマキマダラヒカゲN. niphonicaである。両種とも北海道から九州にかけて分布するが、日本の多くの地域では前種は平地から低山地に、後種は山地にすみ分けるのが一般であるので、前記のような和名がつけられている。利尻(りしり)島、佐渡島、屋久(やく)島に分布するのは後種であり、前種は分布しない。はねの開張は両種とも55~65ミリメートル内外。両種とも寒冷地(たとえば北海道の山地)では年1回の発生(7、8月)、暖地では年2回(4~6月、7~9月)の発生。幼虫の食草はともにタケ類であるが、サトキマダラヒカゲがタケ、ササの類を食べるのに対し、ヤマキマダラヒカゲは主としてササ類のみを食べ、好みの範囲が狭い。ススキは地域によってはヤマキマダラヒカゲの食草となるが、サトキマダラヒカゲはこれを食べない。越冬態はともに蛹(さなぎ)である。

[白水 隆]

サトキマダラヒカゲ
北海道~九州に広く分布し、関東地方以南の地域では低地から丘陵帯にみられる。はねの開張約60mm。ジャノメチョウ科©Shogakukan 撮影/朝倉秀之">

サトキマダラヒカゲ

ヤマキマダラヒカゲ
日本全土の山地に分布する。房総半島に産するものは他地域のものに比べてやや小形。はねの開張約60mm。ジャノメチョウ科©Shogakukan">

ヤマキマダラヒカゲ

ジャノメチョウ科のおもな種類(2)〔標本写真〕
©Shogakukan">

ジャノメチョウ科のおもな種類(2)〔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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