Cornuta (Drunella) Spinners in June

Was ready to fish the annual spinner fall on Monday night, everything was lining up just right, but! The temp. was good 78, warm in the sun cool in the shad, spinners ever where along the shoreline (they usually start out just off shore and then move to above the riffles. The water level was perfect, color was great and no one was around! Before the main event, it was #16 Tan Caddis on the menue, just about every fish that raised either made a pass or ate the caddis! I was using a modified CDC Bubble Back Caddis pattern that I have be fooling with for a while, I tie some stiff poly like material spinner style and then tie the Bubble Back as usual and trim the spinner style legs off, this helps the fly to land just right and keeps it just a bit high on the water, worked really well. You could also make a great case for throwing a BIG dry stonefly imitation into the riffles, there were many of the naturals just crashing around egg laying but you would have to cover a lot of stream to really be effective.
  As it happened the spinners did come down but not till almost dark and it seemed as if only the smaller trout were on to them, again the lowest section of the pool is where you want to be not in the riffles. These guys beat their wings to dispel their eggs and the trout key in to that action but if your stuck in the riff try using a ISO spinner, we see them falling about the same time. As I was walking out I looked up and saw a Zillion sulphur spinners above the riffle, too dam bad that I'm old and kust can't see that well to keep fishing after dark.
  Pattern is: #16 straight eye hook, stiff poly wing material tied spent (do not over wing this) 2- micro fibbetts for tails- split, black or very dark olive quill body with UV resin over it and black or dark olive beaver or mole dubbing. You will need to tie at least 6-8 of the pattern because they will destroy it. I also carry different variations just to give them something else to look at. The sixe is really a 15 but the actual insect has a very distinct hump in the thorax! This spinner fall can be a love/hate relationship affair but remember NOT every riffle/pool has them!