This little guy was hugging my window yesterday and it took me a few minutes to recognize it - Mayfly. When I first moved to Minnesota I remember seeing them cover a bridge along the Mississippi River and they had to use snowplows to clear the bridge. Looks like it's coming into prime time for them now -- They're coming: Mayfly hatch expected along Mississippi River soon -- https://bringmethenews.com/minnesota-lifestyle/theyre-coming-mayfly-hatch-expected-along-mississippi-river-soon