Large emerald Damselfly with two-toned pterostigma (wing spots).

Male: Metallic green-bronze with pale anal appendages.

Female: Metallic green-bronze.

Immatures: All pale pterostigma (wing spots).

Where to See

Latin NameLestes barbarus

Still, shallow, waters; will tolerate brackish conditions. Seems to favour dune slacks and other coastal sites in our area, though has occurred inland.

Status & Distribution

Migrant from Northern Europe, possibly the Netherlands where it has increased recently. First observed in July 2002 in Norfolk. Also in the Channel Islands since 1995. Now occurs almost annually, and has been proven (2018) to breed.

Similar Species

May be confused with other Emerald species.

Distinguish by:

  • Two-toned pterostigma (wing spots).
  • Two broad pale antehumeral stripes.
Species GroupDamselflies
Identification Notes
  • Length: 40-45mm
  • Metallic green-bronze.
  • Two-toned pterostigma (wing spots) apart from in immatures.
  • Two broad pale antehumeral stripes.
  • Male: pale anal appendages and segment 10.
  • Female: pale ovipositor.
Flight PeriodSouthern Emerald Damselfly