Here is a fly tied by Todd Deziel, a local angler and expert fly tier. I’ve tested these patterns in the spring and fall many times and they work.
Hook: Dai-Riki 135 sz.8, 10, 12
Tail: Tan pearl core braid w/ 3pcs of peacock Krystal flash melted into end. 1long, 2shorter. longest 3/4″
Gills: Austr. possum, or gray fluff from base of brown hackle Body: Tan life cycle dubbing
Collar: Brown hen hackle palmered to and including a wrap of the fluff
Wing Case: Copper diamond braid. or any copper material
Eyes: Black craft (Small) 2.5mm
Thread: Rust 8/0