The Orvis Vest Pocket Guide to Mayflies

Keep this handy hatch book close by for easy mayfly identification.


Learn how to identify numerous mayflies and determine the correct patterns for the different life stages—nymph, emerger, and adult—to catch more trout. This handy hatch book guide is packed full of color photos and insect silhouettes aimed at helping you quickly determine which mayfly species are present at streamside. The Lyons Press, 118 pages, paperback.


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