Description

Length: 31mm

In the male, S2 usually has a small crescent shaped dark spot flanked by two black lines. S8 and S9 are blue except for 2 small black spots on each. The black markings are fairly extensive giving the damselfly a dark appearance.
The female is apple green and black but with blue markings on S8-10.

Where to See

Latin NameCoenagrion lunulatum
Habitat

Clean, shallow ponds and lakes in Ireland often with floating ponweed and water lilies.

Status & Distribution

Scarce and local in Ireland but widespread in northern Europe.

*** The map below does not currently show Irish records. ***

Similar Species

This species is easily confused with the other members of the genus Coenagrion and with the Common Blue Damselfly Enallagma cyathigerum . Look at S2 (on the males) for distinguishing characters. Irish Damselfly males often rest on floating leaves. The females can be particularly tricky to distinguish apart.

Species GroupDamselflies
Family
Identification Notes
  • In the male, S2 usually has a small crescent shaped dark spot flanked by two black lines. S8 and S9 are blue except for 2 small black spots on each. The black markings are fairly extensive giving the damselfly a dark appearance.
  • The female is apple green and black but with blue markings on S8-10.
  • Length: 31mm