Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.
Wbranch on Jul 21, 2015July 21st, 2015, 3:47 pm EDT
You want a line that is matched to the "line weight" of the rod you will be using. Most modern fly rods have the length of the rod and the preferred line weight inscribed on the butt section of the rod near the cork. It will say something like 9' #5 or 8 1/2' #6. You want to buy a weight forward line as it will be the easiest to learn to cast. Do not buy a level line. A weight forward line means just that; most of the heavy line to effect the cast is going to be in the first 30', there will also be a nice tapered section in the very front to slim down the line and create a smooth transition from the fly line to the butt of your tapered leader.