Enallagma cyathigerum (Common Blue Damselfly)

The other one of the two commonest blue damselflies in the UK. This one is a more vivid blue than Coenagrion puella (the Azure Damselfly).

Id Notes

  • not a Coenagrion – no Coenagrion “spur” on the side of the thorax
  • blue antehumeral stripes are wide, at least as wide as the black stripes beside them (cf. Coenagrion puella)
  • ♂ – mushroom-shaped mark on S2 usually joined by a stalk to suture
  • ♂ – S8&9 all blue (but with two tiny dots on S9)
  • ♀ – two forms, blue and dull green
  • ♀ – black thistle shape on S2
  • ♀ – black v2 rocket shapes on S3-7
  • ♀ – black triangle on S8
male female
pair in tandem pair in cop

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>