Bug Block® contains Pyrethrins and Permethrin, the two important active ingredients essential for killing and repelling more than 70 different species of pests, including the Culex species of mosquito, known to transmit the West Nile virus.

  • For use on horses, ponies, and dogs
  • Also works on hard-to-kill threats such as scorpions and black widow spiders
  • Can be used as a premise spray
  • Available at Tractor Supply Company


32 fl oz. Trigger Spray Bottle

1 Gallon Bottle

Image of, Bug Block®