Millions of Mississippi Mayflies Make Major Mess in Minnesota

A huge mayfly hatch from the Mississippi made for a big cleanup in Hastings, Minnesota. Normally weather patterns will disperse the hatch over a wide geographical area. This year that didn’t happen. Hastings is accustomed to having to clean up after mass mayfly die-offs, but this is one for the books.

The mess is so big that leaf-blowers are being used to clear streets and sidewalks.

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