The most effective way to apply the granules to your yard is to use a seeder, lawn spreader or or hand-held shaker. Once the granules have been spread out over the targeted areas, water should be applied in order to obtain the best results. If the granules are not watered, the insecticide merely sits on the soil.Click to see full answer. People also ask, what is the best granular insecticide?One of the best granular lawn insect killer, Bonide Insect & Grub Control Granules contains Imidacloprid and Lambda-Cyhalothrin, which kills craneflies, mosquitoes, ants, ticks, mole crickets, fleas, fire ants, cutworms, chinch bugs, weevils, and over 40 other pests, both below and under the ground.Beside above, when should I use insecticide on my lawn? The final approach is to do nothing (in regards to insecticides) and repair damaged lawn areas when grub damage occurs. Late June to early August is the best time to apply a preventive insecticide. Several insecticides are available to commercial applicators for prevention of white grubs. Also Know, how do you use granular? The most effective way to apply granular pesticides to your yard is to use a seeder, lawn spreader or or hand-held spreader. Once the granules have been spread out over the intended area, water should be applied in order to obtain the best results.What is the best pesticide? Top 5 home bug repellents Ortho Home Defense MAX Insect Killer Spray for Indoor and Home Perimeter. Eco Defense Organic Home Pest Control Spray All Natural Insect Killer. Talstar Pro Multi Use Insecticide. Orange Guard Water Based Indoor/Outdoor Home Pest Control. Raid House and Garden Bug Killer.