Farnam Bronco Equine Spray with Citronella Scent 32 oz Cornerstone Farnam Bronco E Equine Fly Spray Plus Citronella Scent, 1 qt. at Bronco Equine Fly Spray plus Citronella Scent, 1 qt Atwoods Citronella Spray. Coverage for Your Horse and Stable Bronco e Equine Fly Spray is a staple for every stable. Kills six fly species, gnats, ticks, deer ticks, fleas, chiggers and lice! Insecticide and repellent for use on horses, ponies, foals and in horse barns and stables. Features: Kills and repels stable flies, horse flies, face flies, deer flies, house flies and horn flies, gnats, ticks, fleas, chiggers and lice Repels mosquitoes Ready to use, water based formula Pleasant citronella scent Insecticide and repellent for use on horses and in horse barns and stables Contains Prallethrin, Permethrin, Piperonyl Butoxide