Taurus SC 20oz Effective against Ants, Beetles, Black Widow Spiders, Box-elder Bugs, Brown Recluse Spiders, Centipedes, Cluster Flies, Cockroaches, House Crickets, Millipedes, Pill Bugs, Silverfish, Termites Labeled for barrier applications targeting occasional invaders around structures Taurus SC is a non-repellent insecticide that is undetectable to target pests, allowing them touch, ingest and spread the insecticide throughout the entire colony. Taurus SC's effects are seen within one to three days (other pests within the first week)