…The yellow dragonfly Ceriagrion melanurum (illustration), the red dragonfly C. nipponicum , and the Mortonagrion selenion are plains species found south of Honshu, and also in central China. The most common of these are the Asian dragonfly Ischnura asiatica (illustration), the blue dragonfly I. senegalensis , and the black dragonfly Cercion calamorum (illustration), and the Asian dragonfly is known to migrate over the ocean. The larvae of the dragonflies are long, slender aquatic insects that breathe underwater through three caudal gills at the end of their tails. … *Some of the terminology that refers to the Asian skimmer is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…キイトトンボCeriagrion melanurum(イラスト),ベニイトトンボC.nipponicum,モートンイトトンボMortonagrion selenionは本州以南に見られる平地種で,中国の中部にも産する。これらのうちもっともふつうなのは,アジアイトトンボIschnura asiatica(イラスト)とアオモンイトトンボI.senegalensis,クロイトトンボCercion calamorum(イラスト)で,アジアイトトンボは海洋上を移動することも知られている。イトトンボ類の幼虫は細長いきゃしゃな水生昆虫で,尾端にある3個の尾鰓(びさい)で水中での呼吸を行う。… ※「アジアイトトンボ」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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