Description

One of the most common Damselflies in the UK.

Male: blue and black with a mushroom/button mark on segment 2 (below the wing base).

Female: black and either blue or dull green with a thistle mark on segment 2 (below the wing base).

 

Where to See

Latin NameEnallagma cyathigerum
Habitat

It occurs in most waters and on large lakes is usually the most abundant species.

Will frequent open water more than other blue damselflies.

Status & Distribution

Abundant throughout the British Isles.

Similar Species

Easily confused with other members of the genus Coenagrion.

Look for:

  • Thick pale antehumeral stripes on the thorax.
  • In males: mushroom/button marking on segment 2 below the wing base (on the males).
Species GroupDamselflies
Identification Notes
  • Length: 32mm
  • Thick blue antehumeral stripes on the back of the thorax.
  • Male: blue and black with a mushroom/button mark on segment 2 (below the wing base).
  • Female: black and either blue or dull green with a thistle mark on segment 2 (below the wing base) and a Christmas tree shaped marking on segment 8 near the bottom of the abdomen. 
Flight PeriodCommon Blue Damselfly
Larval Information

No spotting on the back of the head. Three distinctive thin horizontal stripes on caudal lamellae (sometimes very faint)

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