BILLINGS – If you’ve ever wondered about the water quality in a stream, river or lake you are fishing, just ask a mayfly. Mayflies are winged insects that spend the early stages of their life ...

WINONA, Minn. — The Mississippi River is a bit darker at night in the River Valley region currently. Mayfly hatching season has begun, and the Minnesota Department of Transportation recently turned ...

Every summer, mayflies burst forth from lakes and rivers, taking to the skies of North America. These insects, which are particularly abundant in the northern Mississippi River Basin and Great Lakes, ...

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