I had a Salmonfly climb up my leg on the Madison last summer, first I had seen. It was 3" long! Startled the h--- out of me. More green than that bug too.
In June we get a nice golden stone hatch on Snowbird, some are 2" long. They did seem more scarce this year, guessing because of last year's drought?
Anyway, wish I were out there with ya Ron!
Best,
John