Giant silver dragonfly - Giant silver dragonfly

Japanese: オオギンヤンマ - おおぎんやんま

…There are three other species in the same genus in Japan. The black-striped skimmer has a black stripe on its chest and appears all at once in spring. The giant skimmer is a Southeast Asian species that is oceanic and often appears in the southern parts of Kyushu and Shikoku, but sometimes flies as far as the Kanto region. The Ryukyu skimmer is a species found south of the Ryukyu Islands. …

From [Dragonfly]

... There are 21 species of the dragonfly family native to Japan, and the most commonly known is the Northern Skimmer. This species is an ocean migrant, and migrates north together with the tropical Greater Northern Skimmer, which reaches as far as eastern Hokkaido. The Blue-and-White Dragonfly Aeschna juncea , common in northern Japan, is widely distributed in the Northern Hemisphere, and in Japan, its distribution reaches the southern limit as far as Shikoku and Kyushu, where it can be found in mountain ponds and marshes. ...

*Some of the terminology that refers to the "giant dragonfly" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…日本ではほかに同属の種が3種あり，クロスジギンヤンマは胸側に黒い筋を有し春期いっせいに出現する。オオギンヤンマは東南アジアの種で渡洋性があり，九州，四国の南部に現れることが多いが，ときに関東地方まで飛来する。リュウキュウギンヤンマは琉球諸島以南の種である。…

【ヤンマ(蜻蜓)】より

…　ヤンマ科の日本産は21種あり，ギンヤンマがふつうに知られている。本種は海洋飛来性があり，熱帯産のオオギンヤンマとともに北上飛来し，ギンヤンマは北海道東部にまで達する。北日本に多いルリボシヤンマAeschna junceaは北半球に広く分布し，日本はその分布の南限で四国，九州まで達し，山地の池沼に見られる。…

※「オオギンヤンマ」について言及している用語解説の一部を掲載しています。

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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