A Fly Fisher's Guide to Identifying and Matching Mayflies: Part II
The importance of the mayfly in the diet of trout cannot be overstated. In my work as an aquatic biologist studying and sampling trout waters across country, I've seen populations of Blue Winged Olive mayfly nymphs crowding Rocky Mountain streams topping numbers of 1,200 nymphs per square meter, slow moving herds of green drake [...]
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