Lewisville is hit and miss this time of year. It can be really good or really bad. For Hybrids, watch for birds in the main lake. The Hickory Creek area can also be good. Its been my experience that Hybrids don't orient to structure as much this time of year but they do orient to the thermocline and bait. The hybrids will usually be suspended in water depths from 35-55 ft. Watch for long streaks on your graph. Try a throwing a one ounce swim bait (sassy shad, curly tale grub, wildeye, etc.) Chartreuse is my favorite but white and other colors will work. Throw it out as far as you can and let it sink, then reel it in with a slow steady retrieve. Also try dead sticking a 1-2 oz slab or swim bait at the depth you're marking the fish.
GOOD LUCK
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Joe