Description

Slim Dragonfly with a pronounced dorsal keel.

Male: blue body and blue-grey eyes.

Immature male: yellowish-brown abdomen with black markings and grey eyes.

Female: yellowish-brown abdomen and blue-grey paler eyes.

Where to See

Latin NameOrthetrum coerulescens
Habitat

Pools and streams in wet heathland sites are favoured.

May be found resting low in heather at such sites.

Status & Distribution

Locally common. Patchy distribution, mainly western Britain and Ireland.

Similar Species

Black-tailed Skimmer

  • Dark pterostigma (wing spots).
  • Costa (leading wing vein) not yellow.
  • No antehumeral stripes on thorax.
  • Male: black coloration at the end of the abdomen.
  • Female: black bands down the abdomen.

 

Scarce Chaser

  • Dark pterostigma (wing spots).
  • Costa (leading wing vein) not yellow.
  • No antehumeral stripes on thorax.
  • Male: black coloration at the end of the abdomen.
  • Female: orange with black band down the middle of the abdomen.
Species GroupDragonflies
Identification Notes
  • Length: 40-44mm
  • Slim abdomen with a pronounced dorsal keel.
  • Straw yellow costa (leading wing vein).
  • Yellow or brown pterostigma (wing spots).
  • The thorax has pale yellow ante-humeral stripes which fade with age in the male.
  • Male: blue body and blue-grey eyes.
  • Immature male: yellowish-brown abdomen with black markings and grey eyes.
  • Female: yellowish-brown abdomen and blue-grey paler eyes.
  • At rest, the wings are often held well forward.
Flight PeriodKeeled Skimmer
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