Emerald Damselfly

Description

The most common Emerald Damselfly species.

Male: Metallic green with blue coloration.

Female: Metallic green with pale green/brown underparts.

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Where to See

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Latin NameLestes sponsa
Habitat

Still waters with tall waterside vegetation, especially rushes and sedges.

 

Status & Distribution

Locally common throughout Britain and Ireland.

Similar Species

Can be distinguished from other Emerald species by its:

  • Dark narrow pterostigma (wing spots).
  • Males: Segment 2 all blue. Small, narrow inferior appendages.
  • Females: Isolate metallic spot above middle leg on thorax. Short ovipositor that does not extend past the end of the abdomen.
Species GroupDamselflies
Identification Notes
  • Length: 38mm
  • Metallic green body.
  • The elongated pterostigma (wing spots) are dark brown to black.
  • Male: blue coloration at the top and bottom of the abdomen (segments 1-2 and 9-10).
  • Female: thicker body than the male and no blue coloration.
  • Rests with wings half spread.
Flight PeriodEmerald Damselfly
Larval Information

Lestes larvae have a long abdomen and large caudal lamellae.

Distinctive long tennis racket shaped mask.

Caudal lamellae are rounded at the end.

 

Similar Species

Scarce Emerald Damselfly
Southern Emerald Damselfly
Willow Emerald Damselfly