Flies for Yellowstone and Eastern Streams

trout flies 2Guest Blogger: Clay Cunningham, Cody, WY, retired National Park Superintendent

These are the patterns of flies that are most likely to appear on both the trout streams of the eastern United States and the Rocky Mountain rivers and streams. Quite a few fishermen from the east make the trip west to fish the Yellowstone country, which is why I have included the patterns that are the most productive for both regions. You would be well prepared in both regions with the patterns listed. Depending on the particular geographic location of the stream (southern, central or northern locations), the makeup of the stream bottom; large and small rocks, silts, decaying foliage, water temperature, mineral content (limestone enhances insect populations), and the time of year are all factors influencing the presence and timing of a particular species of insects that could be present or hatching.
If you are a fly tier and have a computer you can usually find the patterns for these flies with an internet search. One of the best books for every pattern is Dave Hughes’ Trout Flies, The Tier’s Reference. All the flies I list here are well known to fly shop owners. They should be able to supply them if you buy your flies.

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