Identification key to male emerald damselflies

Lestes sponsa Lestes dryas
Emerald Damselfly
Powdery bluish pruinescence covers first two abdominal segment, teadrop-shaped markings on first abdominal segment, inferior anal appendages straight		 Scarce Emerald Damselfly
pruinescence covers first one and a half segments, rectangular shaped markings on first abdominal segment, inferior anal appendages curved

Nelson, B., Thompson, R. & Morrow, C., 2000 (June 29). [In] DragonflyIreland http://www.ulstermuseum.org.uk/dragonflyireland/

CEDaR Home DragonflyIreland Species list Habitat list Contents
Copyright © National Museums and Galleries of Northern Ireland and Environment and Heritage Service, 2000