Can you say mousing? This was my first ever attempt at mousing after dark and it was very interesting. I worked about 100 yards of river, up one bank and down the next. Started fishing around 8:45 pm but it took about 1 hour before I saw any action. Finally got close to a piece of slow water up next to the bank and landed a good cast. Did a couple small strips and heard the explosion of a trout hitting my fly. Landed a nice brown and sent a cast just downstream for where it hit. Heard another hard hit but missed the fish. Cast right back to the spot and didn't miss this time, landing a second brown that was even better. Ended the night around 10:30 pm with a couple hit and misses but was happy with two browns in the 15" - 17" range. Did learn that night time makes for bad photos but that's alright.
A good number of bugs (some mayflies and midges) were out before dark and a handful of fish were feeding at the surface. It looked like there was good feeding activity just under the surface as well.