David Element

Wildlife Photography and Digital Video Images

 

____________________________Dragonflies and Damselflies 41 Willow Emerald Damselflies

 

 

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis (m)

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis (m) WILLOW EMERALD DAMSELFLY Chalcolestes viridis (m)

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis (m)

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis (m)

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis (m, f)

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis (m, f)

 

 

WILLOW EMERALD DAMSELFLY Chalcolestes viridis (oviposition scars)

 

         The Willow Emerald or Western Willow Spreadwing Damselfly Chalcolestes viridis is a recent arrival from continental Europe and it has become established quite rapidly as a breeding species at suitable sites in the UK. An absence of pale blue pruinescence in mature males and the presence of pale brown pterostigmata will enable this metallic green damselfly to be separated from the similar Common Emerald or Common Spreadwing Damselfly Lestes sponsa (the two may be found together) but observers should be aware of the possibility that other members of the Lestidae might also establish themselves in the UK as the climate continues to warm up. Willow Emeralds can be tricky to see as they will often secrete themselves in the shade of the Sallows Salix sp. into which they have selected to lay their eggs, usually into thin branches overhanging the margins of water-bodies. Moving shadows on the ground may be the first sign of their presence. The oviposition scars are very obvious and their discovery will confirm that breeding has occurred although not necessarily recently as the scars will persist for long after the eggs have been deposited.

 

         A short film of Willow Emerald Damselflies may be seen at: https://youtu.be/EH0jAT_cPss .

 

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David Element