Stop Flies Cold — Before They Ruin Your Ride
Pyranha® Insecticide™ Fly Spray Aerosol kills and repels flies, mosquitoes, gnats, and ticks on contact — with a citronella scent and coat-conditioning formula that champions have trusted since 1973. From the in-gate to the trail head, this is the spray that actually holds.

Flies Aren't Just Annoying — They're Costing You Every Single Ride
It starts before you even get to the barn. You pull up the driveway and you can already see your horse stomping, shaking his head, pinning his ears. By the time you've unlatched the gate and walked down the aisle, he's worked himself into a lather — not from work, but from the relentless cloud of flies that followed him from pasture to paddock to his stall door. You tacked up hoping today's trail ride or schooling session would be quiet. Instead, the first twenty minutes are spent fighting a moving target: your horse half-focused on your aids and half-focused on the black flies crawling into the corners of his eyes, the stable flies stabbing at his cannon bones, the horseflies dive-bombing his chest and sides. This isn't just a bad day. For most horse owners — particularly anyone keeping horses in warm or humid climates, near standing water, or anywhere east of the Rockies from April through October — this is every single day.
What most riders underestimate is how much fly pressure affects a horse's long-term wellbeing, not just their temperament in the moment. Horses under constant insect attack experience measurable physiological stress — elevated cortisol, disrupted sleep from night-time gnats, and skin irritation that can develop into habitual rubbing, hair loss, and open sores when left unaddressed. Sweet itch, bot fly infestations, and Culicoides hypersensitivity all begin with what looked like just some bugs. Stable flies in particular bite the lower legs repeatedly and have been linked to stamping behavior so persistent that horses develop repetitive stress patterns in their lower joints. The mosquitoes that seem like minor nuisances carry West Nile Virus and Eastern Equine Encephalitis — diseases that can be fatal. This is not an inconvenience problem. It is a horse health problem masquerading as a management headache, and the longer it goes unsolved, the more expensive it gets.
The daily grind becomes exhausting fast. You're applying something before every ride, then again if you want to use the arena in the evening when the mosquitoes come up from the creek bottom. You're wiping faces by hand because whatever you're using doesn't hold. You're scrubbing gnats from around the eyes every morning. You're scheduling rides around the worst fly hours instead of riding when it works for you. If you're showing, the pre-ring scramble to get something on the horse that'll hold through warm-up — without staining the coat or leaving residue on a light-colored neck — adds another layer of stress to an already compressed timeline. Your horses go through fly sheets faster because they're rubbing more. You spend extra grooming time just trying to keep skin irritation from escalating. Time that should go toward training goes toward fighting bugs.
You've probably tried the obvious things already. The barn fans that help some but don't travel with you. The fly predators in the manure pile that work on stable flies but do nothing for mosquitoes or horseflies in the back paddock. The essential-oil sprays that smell pleasant and wear off in forty minutes. The generic big-box store fly spray that looked affordable until you realized you needed to drench the horse to get any coverage, burning through a bottle every three days. Maybe you've tried one of the concentrates you have to mix yourself — and gotten the ratio wrong, ending up with something either useless or caustic enough to make your horse flinch on application. Or the roll-on products for faces that take five careful minutes every single morning just to cover one section of the horse. The market is full of options that solve half the problem for part of the day. That is not fly control. That is fly management theater, and you deserve better than that.

Every Day Without Real Fly Control, the Problem Compounds
The flies don't just affect your horse in the moment they land. The tension builds and carries over. A horse that spent his morning in the paddock fighting off insects arrives at training already agitated, already behind the leg or above the bit, already scanning for an excuse to spook. That reactivity doesn't disappear when you start your warm-up — it bleeds into the work. Collection that was soft last week feels stuck. Lateral work that was coming together falls apart because your horse keeps breaking to shake off something that isn't even there anymore, residual anxiety from an hour earlier. At shows, a horse that was going around at 68% in the spring is grinding his teeth by August. Trainers who work with the same horses year-round know this pattern cold: summer performance dips are real, they're consistent, and fly pressure is a significant and underappreciated contributor that rarely shows up in the post-show debrief.
There's an emotional cost to this that doesn't appear on any vet bill but accumulates quietly over a season. The frustration of not being able to have a quiet, connected ride. The guilt of watching your horse in turnout, visibly miserable, because you haven't yet found something that works. The dread that sets in around barn time — time that's supposed to be restorative and is instead another round of chore management. Horse ownership is supposed to be a relationship. It's why most of us got into this in the first place. When every interaction is colored by your horse's discomfort and your own exhaustion from trying to address it, you lose something that matters. Riders who finally solve their fly problem consistently report that it changed not just their horse's mood but their own enjoyment of the whole enterprise.
The financial toll of inadequate fly control is easy to undercount because it's distributed across a hundred small expenses. A bag of fly predators runs $30–50 a month. Fly sheets that were rated for the season get replaced mid-summer from excessive rubbing. Multiple products get tried and abandoned — the average barn has four or five half-empty spray bottles from experiments that didn't pan out. Add in vet visits for skin conditions caused by biting insects, sweet itch management, and bot egg removal, and the costs mount fast. Time is money too: every extra thirty minutes of grooming and reapplication time, every ride cut short or rescheduled around fly hours, adds up across a five-to-seven-month fly season. Horse owners routinely spend $200–400 per animal per season on piecemeal fly management — often with mediocre results — when one well-chosen product used correctly could handle the essentials for a fraction of that investment.
- ✗Horses arrive at training already stressed from insect pressure
- ✗Fly sprays that wear off in under an hour and require constant reapplication
- ✗Skin irritation, rubbing, and coat damage from chronic insect exposure
- ✗Show prep chaos trying to find something that holds without staining the coat

Pyranha® Fly Spray Aerosol: Show Ring Strength, Every Ride, Every Day
Pyranha® Insecticide™ Fly Spray Aerosol is what you reach for when you need it to work the first time, every time — not the second application, not after you've also tried the roll-on and the sheet and the fan. It's a broad-spectrum aerosol insecticide specifically formulated for horses that kills and repels house flies, stable flies, horseflies, deer flies, face flies, mosquitoes, gnats, and ticks on contact. Champions across the country have been trusting it since 1973. It's not a "pretty good for the price" product. It's the spray you see on the tack trunks at the in-gate because people who compete seriously can't afford a product that doesn't perform when the pressure is on.
The aerosol formula uses a pyrethrin-based insecticide blend that disrupts the nervous system of biting insects on contact, killing them fast and establishing a repellent barrier that keeps new insects from landing. The citronella component adds a secondary deterrent layer — flies and mosquitoes actively avoid the scent — while the conditioning agents in the formula work with the coat rather than against it. When brushed through after application, Pyranha distributes evenly and leaves the hair soft and shiny rather than stiff or tacky. The aerosol delivery means you get consistent, even coverage without the streaking, dripping, or inconsistent concentration that comes with pump-spray concentrates. It applies quickly enough that even a fidgety horse can be covered before your window closes at the in-gate or on the trail.
The effects cascade from there. A horse that isn't fighting insects is a horse who can focus on you. Training sessions that were fractured by head-shaking and stomping become connected and productive. Show warm-ups become quieter. Turnout becomes actual rest rather than a stress session. Skin stays clean and unbothered through the season, coats look better, and you stop losing weekends to managing the fallout of inadequate fly control. Riders who make Pyranha a consistent part of their daily routine report that their horses' overall demeanor and trainability improves noticeably from spring through fall — because cumulative stress relief, compounded over weeks and months, is a real and measurable thing in how a horse carries itself.
Pyranha® Fly Spray Aerosol is stocked and shipped by Schneider Saddlery — a third-generation family business in Chagrin Falls, Ohio, founded in 1948. That's 78 years of horse people selling to horse people, standing behind every product on the shelf. We ship to all 50 states, and the 4.8-star rating this spray has earned from riders across every discipline isn't marketing copy — it's the record of a product that consistently does exactly what it says it will do. If it doesn't perform for you, we want to know. That's a commitment we've kept since 1948, and we're keeping it now.
Broad-Spectrum Kill and Repel
Eliminates house flies, stable flies, horseflies, deer flies, mosquitoes, gnats, and ticks — not just one or two species. One spray covers the full spectrum of what's actually attacking your horse.
Coat-Conditioning Formula
Conditioning agents built into the formula leave the coat soft, shiny, and groomed-looking — not sticky or residue-heavy. Brush it through for show-ready finish every time.
Fast Aerosol Coverage
Aerosol delivery gives you even, consistent coverage in seconds — no dripping, no streaking, no inconsistent concentration from a worn-out pump head. Ready when you need it.
Trusted Since 1973
More than five decades of proven performance in the show ring, on the trail, and in the barn. This isn't a new formula chasing a trend — it's the spray that built its reputation one horse at a time.
What Riders Are Saying
"
I've tried everything on the market for my barrel horse, Cactus Jack, and nothing held up through warm-up and into the arena the way Pyranha does. We run in August heat and the flies around the gate are brutal. I spray him down about 20 minutes before I compete, brush it through his mane and neck, and he comes in focused instead of head-tossing. Coat has gotten noticeably shinier since I switched. Worth every penny.
""
My mare Sonnenschein is extremely sensitive — lots of products make her skin reactive. Pyranha is the first fly spray in five years that doesn't cause irritation and actually keeps the flies off through an entire dressage schooling session. I use it at shows right before I head to the warm-up ring. No staining on her grey coat, no residue, just clean coverage that holds. I've recommended it to everyone at my barn.
""
I trail ride in the Hill Country of Texas from March through November — flies, gnats, mosquitoes, and deer flies all season long. I used to reapply every hour on longer rides. With Pyranha I get solid three-hour coverage even in the heat, and my gelding Copperhead stays calm through stretches of trail where he used to spin from horsefly bites. This is the real deal. I keep two cans in my trailer at all times.
"How We Stack Up
| Feature | Schneiders Pyranha Insecticide Fly Spray | Farnam Bronco | Absorbine UltraShield EX |
|---|---|---|---|
| Kills flies on contact | ✅ | ✅ | ✅ |
| Repels mosquitoes | ✅ | ⚠️ | ✅ |
| Repels gnats | ✅ | ⚠️ | ⚠️ |
| Repels ticks | ✅ | ❌ | ✅ |
| Coat conditioning formula | ✅ | ❌ | ⚠️ |
| Aerosol even-coverage delivery | ✅ | ❌ | ❌ |
| Show safe — no coat staining | ✅ | ⚠️ | ✅ |
| 3+ hour field duration | ✅ | ⚠️ | ✅ |
| Citronella scent barrier | ✅ | ❌ | ❌ |
| Proven show ring use since 1970s | ✅ | ⚠️ | ❌ |
What Makes Pyranha Different From the Rest of the Barn Shelf
Walk into any serious barn and you'll find a graveyard of half-empty fly spray bottles — the lavender-scented one from the farm store, the concentrate that never mixed right, the "long-lasting" pump that lasted about forty minutes. Pyranha® Insecticide™ Fly Spray Aerosol earns its place on the shelf because it solves a problem the others only partially address: it kills fast, it repels broadly, and it stays on long enough to matter. The pyrethrin-based formula is backed by decades of real-world field use — not laboratory conditions — by riders who haul to shows in July, trail ride through gnats in August, and turn horses out in high-pressure summer pastures every morning.
The aerosol format is not a marketing choice — it's a performance choice. Aerosol delivers a consistent particle size across the entire coat, which means the active ingredient distributes more evenly than a pump spray that depends on your application pressure and technique. You get the same coverage on the left side of the neck as the right, on the belly as the shoulder, every time. Add in the citronella-scented repellent barrier and the conditioning agents that keep the coat looking right, and you have a complete fly management tool that does more work per application than anything else at this price point.
- ✓Kills house flies, stable flies, horseflies, deer flies, face flies, gnats, mosquitoes, and ticks
- ✓Pyrethrin-based contact insecticide with fast knockdown and lasting repellent action
- ✓Citronella scent barrier provides secondary chemical deterrent layer
- ✓Built-in coat conditioners leave hair soft, shiny, and show-ready when brushed through
- ✓Aerosol delivery for even, consistent full-body coverage in seconds
What You Get
