I've found the LaFontaine caddis flies reallly effective to fish when caddis are active, but other patterns including wet flies work also. Here is a great article detailing when, why, where and how to fish caddis flies >
Pro Tips: How to Fish Caddis-Pupa Flies - Orvis News
For many anglers, the words caddisfly hatch conjure up visions of epic days, when all you need to carry is a few Elk-Hair Caddis dry flies. Those who anticipate these hatches all winter long . . .
news.orvis.com
