The Orvis Vest Pocket Guide to Caddisflies
Based on the original Orvis Caddisfly Handbook, this wholly revised title is small and light enough to carry along for use on the water. Caddisflies are as crucial a trout food as mayflies or baitfish, and any serious trout angler needs to know these insects well. Detailed descriptions and photographs of the major caddisfly species will direct the angler toward correct insect identification and fly-pattern choice.
Orvis Pocket Guides: Orvis Vest Pocket Guide to Caddisflies: The Illustrated Reference to the Major Species of North America (Paperback)