Sevin 1 Qt. Concentrate Insect Killer. It is a liquid Sevin formulation for control of garden bugs. This no-odor killer effectively eliminates over 500 insect pests, protecting over 250 fruits, vegetables, and herbs. Its fast-acting formula provides up to 3 months of protection. Active ingredient: 0.35% Zeta-Cypermethrin. Apply using a tank sprayer.