Davidius fruhstorferi junior (Navas, 1936)
From
http://www.asia-dragonfly.net/globalResults.php?Species=835
Davidius fruhstorferi junior (Navas, 1936)
From
http://www.asia-dragonfly.net/globalResults.php?Species=835
Davidius fruhstorferi junior, From Gansu.