Sympetrum frequens Selys, 1883
A Japanese endemic. After emerging these dragonflies migrate high in the mountains where feed until descending to breeding pools (often temporary or artificial, including rice fields) at lower levels. This species often migrates also to the continent coastal regions and there occasionally hybridizing with Sympetrum depressiusculum (Selys, 1841) (Inoue & Malikova,, 2002).
Two males on sedge
The Kojoro Lake (Kojoroga-ike) on Mt. Hira, 1060 m altitude, Katsuragawa Sakashita-cho, Ohtsu Cty, Shiga Prefecture, Honshu, Japan. 2nd August 2002.
O. Kosterin
Озеро Кодзоро на горе Хира, 1060 м над уровнем моря, Кацурагава, Сакашита-чо, Оцу, Префектура Шига, Хонсю, Япония. 2 августа 2002 г.