Other characters: The imago appears from July to October. Their crying is very strange. They live in about 400m high mountains. They don’t choose a special tree but usually live in broad-leaved tree.
Other characters: The imago appears from June to September. They usually live in fields or trees on the low mountain. In Korea, most of them live in Jeju.
Form: The length of the body is 12~14mm. The color is green and light yellowish brown. The black spots are scattered. The body is thin and long. As the length of the head and front chest and back and stomach is identical, their body shape is bar. The bottom of the body is yellowish brown and the center of the front is black. The legs are dark color and thin and long.
Other characters: They live in Korea and Japan. In “Dongbaekdongsan” of Gotzawal, you can see them lie on the broad leaves.
Form: There is yellow stripe pattern on the head, chest and stomach. The imago’s body is long and thin. The wings are also long and thin and the edge of them is sharp and transparent. The nerves are thin. The compound eyes are dividied into two by a groove.
Other characters: In day, they usually act in the forests and in night, they flock together around the light.
Form: The length of the body is 28~42mm. The body is small and light green. The females are much bigger than their counterparts. The head’s shape is a circular cone. The bottom of the back wing is light yellow.
Other characters: You can see them at the grassland or the rice field. As they eat many plants, especially petals, they are treated as a pest. The male, who is smaller than the female, climb the female’s back and they do mating for a long time. The imago appears in June ~ November. They live in Korea, Japan and China.
Other characters: They usually live in the bottom of forests or fallen leaves. You can see them From June to October. They go through winter as a larva. In winter, you can see the larvas when you raise leaves on the ground. They experience incomplete matamorphosis. They are wild animals so they don’t come in home. In Dongbaekdongsan(Gotzawal in Jeju), they can be seen anywhere(easily), especially in non-moist leaves.
Form: The length of the stomach is 25~32mm and that of the back wings is 28~37mm. The male is bigger than the female. The female’s pattern on the edge of the back wings is more darker than that of the male. Both have two black stripes, one is on the chest and the other is on the stomach.
Other characters: The imago appears from July to October and they inhabit hill land or near the ponds. In autumn, they go down to waterside for distracted. They live in Korea, Japan and China. In Dongbaekdongsan(Gotzawal in Jeju), you can see them around the wetland “Meonmulkkak”.
Form: The length of the stomach is 34~36mm, and that of the back wings is 38~40mm. The color of the male’s body is white gray and the counterpart’s is yellow brown. The female have a black stripe on her body. The front wings are more bigger that the back wings. This dragonflies are more bigger and nimble than Orthatrum albistylum.
Other characters: Orthetrum triangulare melania is also called “dragon dragonfly”. The imago appears from May to October and they inhabit fields, wetland in deep mountain and so on. In Dongbaekdongsan(Gotzawal in Jeju), you can see them aroung the wetland “Meonmulkkak”.
Form: They are 28~32mm sized. They go through the season ‘winter’ in brown, but in spring when they prepare mating they become blue. In other words, they have a protective coloration in winter and a nuptial coloration in spring.
Other characters: Most of them live in forests. They appear from April to November. They act as an imago like “Sympecma paedisca (Brauer)”, and they experience “incomplete metamorphosis“. 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.
Other characters: They only live in mountains. They fly between tall plants. They are diurnal. In Southern part of the Korea, you can see one or two generation of them a year and in counterpart, you can see only one generation a year.