A common and conspicuous dragonfly of African origin, which only recently has colonised large parts of northern Europe. Patrolling males are easily recognised by their size, unmarked green thorax and blue abdomen with a black mid-dorsal stripe.
Total: 66-84 mm.
Abdomen: 50-61 mm.
Hindwing: 45-52 mm.
Standing waters, often large and well-vegetated.
From late May to September. Most abundant from June to August.