Form: The imago is 23~26mm long in stomach and about 15~18mm long in wings. The male’s color is light blue and they have two black stripes on their front chest. The stomach is wholly black, but given a detail, side is light blue. The female’s front chest is light green and they have a black stripe on their side, but that line is not clear. The stomach is black and side is light green.
Other characters: The larva inhabit ponds that have a lot of waterplants in it. Imago appear from May to September. They live in Korea, Japan and China. In Dongbaekdongsan(Gotzawal in Jeju), you can see them at the wetland “Meonmulkak”‘s surface. Damselflies including this dragonfly tend to hunt near water, so as soon as you arrive in Meonmulkak, you can see them immediately.