Mayflies create annual, short-lived summer nuisance in Haldimand

HALDIMAND—Whether residents call them mayflies or fishflies, the insects coating bridges, gathering beneath streetlights, and flying through riverside communities are a familiar sign of summer along the Grand River. Mayflies belong to the insect order Ephemeroptera. In Ontario, the insects are commonly known by several names, including fishflies, shadflies, and drakes. Their connection to aquatic environments and role as food…