The first time that I fished a Hex (Hexagenia) hatch it was insane. The water was literally boiling with fish. Good cast, shitty cast, it didn’t matter. The fish weren’t selective. We caught so many rainbows, cuts, and browns that we lost count.  At the time, I was fishing an oversized yellow Parachute Adams tied on a size 6 hook. In reality, to properly match the hatch, I probably should have gone even bigger. And maybe something with foam, because…

This fly, created by my dad, Steve Probasco, has become my “go to” leach pattern – especially in the evening hours. Not only is this fly good for trout, but when tied in a variety of colors; brown, blue, purple, red, etc., it is a great smallmouth bass fly too. As Steve writes in his book “Probasco’s Favorite Northwest Flies“: When the body material Estaz hit the market, I started tying leech patterns using this innovative material for the body…