Rare. Adults have been recorded from mid June to mid July. In Ireland only known from the Killarney area of Co. Kerry. Most of the records are from the bogs around the Upper Lake, especially the Queen's Cottage, Derrycunihy and Galway's Bridge area. Breeding sites are in shallow bog pools.

This species may be confused with the Downy Emerald Cordulia aenea. However in the latter species there is no yellow on the frons, the body is a brighter green and the males do not have such a slender waist.

KEY IDENTIFICATION FEATURES

• Very dark green to black body
• Bright green eyes
• The male has a narrow waist and distinctive caliper-shaped anal appendages
• Yellow spots on side of frons