Ryosemis fuliginosa:チョウトンボ

 The most beautiful dragonfly in Japan: Scientific name is Ryosemis fuliginosa.

It is said that about 200 species of dragonflies have been confirmed in Japan.The uploaded this dragonfly is said to be the most beautiful in all of them and is classified as a low-risk species by international conservation status assessment.The Japanese name of this dragonfly is called"tyotonbo" which means a butterfly dragonfly. Because it flies like a butterfly. By no means a butterfly.It is distributed over the Korean Peninsula and China, and in Japan, it is distributed over Honshu, Shikoku, and Kyushu. It will show up in Japan from June to September. (Reference; Quote: Wikipedia, Musimir)I was not able to find out of this species English name academically, but I found it on some blog, which words were described such as a " Butterfly Dragonfly, Butterfly Skimmer, Blue Dragonfly, Black Flutterer", however, the writer himself it describes as a pretty wild guess.