... A . femina oryzae is found only in the lowlands of the Ryukyu Islands, Kyushu, Shikoku and Yamaguchi Prefecture. Mortonagrion hirosei (discovered in Lake Hinuma, Ibaraki Prefecture in 1971) is a species endemic to Japan, found only in large saline rivers and coastal salt lakes on Honshu. Aciagrion migratum is the only adult overwintering species in this family. Nehalennia speciosa is found only in the marshes of Hokkaido and the Tohoku region and in the Ozegahara Plateau. Agrion lanceolatum and A. ecornulum are northern highland species that are common to eastern Siberia. The yellow-legged dragonfly Ceriagrion melanurum (illustration), the scarlet dragonfly C. nipponicum , and the Mortonagrion selenion are lowland species found south of Honshu, and also in central China. *Some of the terminology that refers to the "Ezo Damselfly" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…コフキヒメイトトンボA.femina oryzaeは琉球諸島および九州,四国と山口県の低地だけに見られる。ヒヌマイトトンボMortonagrion hirosei(1971年に茨城県の涸沼で発見された)は塩分を含んだ本州の大きな川や海岸の塩湖にだけ発見された日本特産種,ホソミイトトンボAciagrion migratumはこの科で唯一の成虫越冬種,カラカネイトトンボNehalennia speciosaは北海道,東北地方の湿原と尾瀬ヶ原だけに,エゾイトトンボAgrion lanceolatum,キタイトトンボA.ecornulumは北方の高地種で東部シベリアと共通種である。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。… ※「エゾイトトンボ」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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