My mentor on fly fishing and tieing, Jim Garrett, had a small framed Royal Coachman back by on of those old fishing maps. He typed on it there and when he caught the fish; his first on a fly.

I think that Summers may be more vulnerable to flies as they are known to feed while in freshwater. The only actual feeding I am aware of with Winters in post-spawn gorging. One year we had a large Carpenter Ant emergence and many of the kelts, especially females , were plugged with ants. They were also in very good shape as they were reasonably silvery and had tight bellies. Always thought a nice dry fished in May would attract them.