Stygian Shadowdragon (Neurocordulia yamaskanensis) Exuviae


Tweed, Ontario, an unused lot near the Louisa St. bridge over the Moira River: rock-bottomed river with fast flowing water, rapids and emergent rocks. An untended lot along the shoreline supports tall grasses, wildflowers and some trees.
Stygian Shadowdragon (Neurocordulia yamaskanensis) exuviae – length about 23 mm, found on the pier of a bridge about 3 meters from the water (June 03, 2014).
Aspects of one of the Stygian Shadowdragon (Neurocordulia yamaskanensis) exuviae (June 03, 2014).





East of Tweed, Ontario, near the old railroad (trans-Canada Trail) bridge over the Moira River: rock-bottomed river, fast current, shrubs and trees along the shoreline.
Stygian Shadowdragon (Neurocordulia yamaskanensis) exuviae – length about 25 mm, found on a limestone bridge pier, about 10 meters from the shoreline (June 05, 2014).