Bug swarms have always been seasonal. Maine famously has a painful period in spring when the black flies hatch. https://bangordailynews.com/2017/05/19/uncateg

Bug swarms have always been seasonal. Maine famously has a painful period in spring when the black flies hatch. https://bangordailynews.com/2017/05/19/uncategorized/surviving-black-fly-season-in-maine/ https://bangordailynews.com/2017/05/19/uncategorized/survivi...