Spectracide Triazicide Insect Killer For Lawns Granules kills 100+ types of lawn-damaging as listed. It kills insects on contact above and below the ground, including ants, crickets, centipedes, and pill bugs. Apply with a broadcast or rotary spreader to the lawn. It is formulated for broad-spectrum control of insects in home lawns, spot treatment and for use as a barrier band treatment around your home.