Heat oven to 400 degrees F. Lay 1 phyllo sheet on flat work surface. Spray evenly with cooking spray; sprinkle with 1 teaspoon of the Sugar. Lay a second phyllo sheet directly over the first; spray and sprinkle with Sugar. Repeat with remaining sheets of phyllo to create a stack of 4 layers. Using sharp knife or scissors, cut into 15 rectangles that are each about 2 1/2 x 6 inches. Place rectangles on large baking sheet that has been sprayed with cooking spray. Bake 3 to 4 minutes, until golden brown and crisp. Remove to racks to cool. Prepare pudding mix according to package instructions, using 1 1/2 cups milk. Fold in whipped topping; chill. Cut 2 of the nectarines into half-inch pieces (you should have 2 cups). Stir cut nectarines and 1/4 cup of the blueberries into pudding mixture. Jus