Title Mayflies’ return to Ohio isn’t just a nuisance — it’s a good sign for Lake Erie Image Wed, 2026-08-05 21:19 Great Lakes Commission Swarms of mayflies have been observed across Northwest Ohio this season, and experts say the abundance of mayflies in this region owes its thanks to the current health of Lake […] Great Lakes Commission, abundance, Health, lake, Lake Erie, Ohio, Region, return, season, the ohio newsroom
