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Bronco Fly Spray

The average rating for this product is 4.5 out of 5 stars 28 Reviews
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Bronco Fly Spray
  • Effectively kills and repels flies, mosquitos, gnats, fleas and ticks
  • Micro-emulsified for better penetration of the coat
  • Can be used on horses, ponies, dogs and premise
  • Non oily formula with a pleasant citronella scent
  • 32 oz. sprayer or 128 oz. refill
  • Made in the USA

Water-based, ready-to-use pyrethrin and permethrin formula is economical, yet effective, non oily insecticide. Bronco repels and kills house flies, horn flies, stable flies, deer flies and horse flies, also mosquitoes, lice and gnats. It also kills fleas and ticks on dogs. Bronco Fly Spray also has a pleasant citronella scent.


Insects it kills:
Stable flies, horn flies,house flies,face flies, horse flies, deer flies, gnats, fleas, ticks (including deer ticks) chiggers and lice.

Active Ingredients:

  • Prallethrin...0.033%
  • Permethrin...0.100%
  • Piperonyl Butoxide, Technical...0.500%
  • Pyrethrins...0.10%
  • Other Ingredients...99.367%



  • Remove excess dirt and dust
  • Apply light spray mist to coat while brushing lightly against lay of the hair
  • Avoid spray in eyes and mucous membranes
  • Apply with a sponge or cloth to those areas

Use as wipe on:

  • Brush animal to remove excess dirt and dust
  • Extremely dirt horses should be shampooed, rinsed and allowed to dry before applying wipe
  • Use a sponge or clean soft cloth or mitt
  • Apply liberally over areas to be protected
  • Pay special attention to legs, belly, shoulders, beck and facial areas
  • Avid eyes

Surface Spraying:

  • Use a good sprayer adjusted to deliver a coarse wet spray
  • Apply as a coarse wet spray using 1 pint per 1,000 sq. ft.
  • Direct the spray wherever files congregate or alight, until surfaces are moistened
  • Treat around doorways, feed storage rooms, alleyways and windowsills
  • Spray around outside of door facings and screens to render area unattractive to insects
  • This helps repel insects and prevent entrance into building


Space Spraying:

  • Remove horses prior to applications
  • Before application close doors, windows and other openings and shut off ventilation systems to reduce air movement as much as possible
  • Apply with a good machine adjusted to deliver a fine mist or god
  • Direct spray at an upward angle, distributing it uniformly throughout the entire area at a rate of 2 fl ounces per 1,000 cubic ft.
  • Apply by spray toward ceiling ad corners until the space is filled with mist
  • For best results keep doors and window close, when possible, for 10 minutes
  • Applicator must not remain in treat areas
  • After the 10 minute treatment period, the area should be opened and ventilated prior to reoccupation by humans or animals
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