Rapidly kill and repel more than 70 species of pests with Absorbine Bug Block Insecticide & Repellent. The insecticide contains pyrethrins and permethrin, two active ingredients that are essential for killing and repelling more than 70 different species of biting flies, gnats, ticks, and mosquitoes, including the Culex species of mosquito known to transmit the West Nile virus. The repellent also works on hard-to-kill threats such as scorpions and black widow spiders and can be used as a premise spray. The spray is safe for use around horses, ponies, and dogs. The Tractor Supply Co exclusive is one that you won't be going back from once you try it.