Terro Mosquito Larvacide

Terro Mosquito Larvicide Pouches dissolve quickly to release a larvicide that kills mosquito larvae before they have a chance to turn into biting adults that may transmit diseases. The long-lasting larvicide can kill mosquito larvae for up to2 months. The pouches can be used in fish ponds, bird baths, gutters, rain barrels, and other areas where standing water is found.