Danish common name: Blå Libel.

A large pale blue male of this species, aggressively defending a garden pond or small natural pool, is a common sight. The abdomen shape and four large black areas at the wing bases instantly distinguish the species. Female and immature male are quite evenly yellowish brown.


Total: 39-48 mm.
Abdomen: 22-31 mm.
Hindwing: 32-38 mm.


A wide range of mostly stagnant waters, especially favoring those that are small, shallow, sunny and bare.

Flight Season

From late April to mid September. Most abundant in May and June.

Range and Status

Common in Denmark.