This species makes its appearance a few weeks after the first brood of Baetis tricaudatus. It is less important because many larger mayflies are on the water at that time. There are good hatches in both the East and the Midwest, and they may make trout selective.
Current Speed: Any
Substrate: A variety: rocks, gravel, vegetation
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Brood: When a species produces more than one generation per year, each one is called a brood.