This aqueous equine insecticide spray features a ready-to-use, citronella scented formula. It won't attract dust and grime like oil-based products and offers long-lasting protection against a wide array of insects. Pony XP can be wiped or sprayed on horses. This value priced product is sure to be your next favorite. Pyranha Fly Repellent kills and repels: Stable Flies, House Flies, Horse Flies, Horn Flies, Ticks, Deer Flies, Mosquitoes, Face Flies, Gnats, Lice.