Fuse Termiticide Insecticide with Fipronil and Imidacloprid 7.5 Ounce Active Ingredients: Imidacloprid 21.4%, Fipronil 6.6% Use Sites: outside perimeter of structures and building construction Mix 0.3 to 0.6 ounces per gallon of water Effective Against: ants, boxelder bugs, european earwigs, millipedes, pill bugs, silverfish, termites Imidacloprid acts on post-synaptic nicotinic acetylcholine receptors in the nervous system of insects* Fipronil blocks GABAA-gated chloride channels in the central nervous system of insects