It's time for the big-meal dry fly platform: hoppers and stoneflies. When we open our fly boxes, we’re looking for a solution. If trout are sipping tiny olives in a soft tailout, we probably reach for the low-riding, vulnerable look of a Comparadun or a Parachute. And if we see trout slashing at hovering, skittering Grannoms in a riffle, we probably choose an Elk Hair Caddis or similar. But what do we pick when the trout food is bigger — when trout are eating hoppers, stoneflies, cicadas or o...