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 ...

In this edition of The Starting Spot: -If you’ve ever been around a lake during a mayfly hatch you can imagine just how big of an impact a natural event like that can have on an ecosystem. The sudden ...

It's not easy being a mayfly. Mayflies are insects that spend most of their life in water and provide clues about the health of our streams and other waterways. Because they are often sensitive to ...

At Lake Davis, a midsummer's night dream has emerged on what was once the grandest of stages of Sierra Nevada lakes. Several times in the past few weeks, a fog-like eruption of giant mayflies hatched ...