By Alana Wilcox
22 May 2019
Peering into the ponds around Guelph, Katherine Black pushes the long-handled net through the plants along the water’s edge, checking the mesh every few seconds for aquatic insects. Nothing yet. A few more dips and she finds what she is looking for – damselfly nymphs, the juvenile aquatic stage of the thin-bodied insect often seen darting above the waterways in summer.