Y-TEX Corporation Py-Zap Spray
Last reviewed: December 2025
Py-Zap is a ready-to-use pyrethrin spray providing quick knockdown of flies and other flying insects in dairy facilities with residual control.
Overview
Py-Zap is a ready-to-use insecticide spray containing natural pyrethrins combined with synergists for enhanced fly control in dairy barns and other agricultural buildings.
Active Ingredients
Pyrethrins
Natural insecticides derived from chrysanthemum flowers:
Piperonyl Butoxide (PBO)
Synergist that enhances pyrethrin activity by inhibiting insect detoxification enzymes.
Target Pests
Effective against:
Application Methods
Direct Spray
Apply as space spray to kill flies on contact in:
Surface Treatment
Apply to resting surfaces where flies congregate for residual control.
Use Guidelines
Dairy Application
Frequency
Safety Considerations
Integrated Fly Management
Py-Zap works best as part of comprehensive fly control including:
Key Features
- Natural Pyrethrins: Derived from chrysanthemum flowers for rapid insect knockdown
- Ready-to-Use Format: No mixing required, immediate application when needed
- Fast Knockdown: Kills flying insects on contact
- Convenient Spray: Easy application in any area needing treatment
- Broad Insect Spectrum: Controls flies, mosquitoes, gnats, and other flying pests
Ideal For
Farm Types: All dairy operation types, Calf facilities, Show barns, Veterinary areas
Pricing Information
Here is the pricing information for Py-Zap Spray:
Synergized pyrethrin spray for on-animal and premise fly control.
Pricing Model: Spray concentrate pricing
Y-Tex products available through livestock supply distributors and farm retailers.
Pros & Considerations
- Immediate knockdown of flying insects
- Natural pyrethrin active ingredient
- No mixing or equipment needed
- Easy for any worker to use
- Quick response to fly problems
- No residual activity—kills on contact only
- Frequent reapplication needed for ongoing control
- Higher cost per application than concentrates
- Only kills insects present at time of application
Evaluation Questions
Key questions to consider when evaluating Py-Zap Spray:
- Where do you need quick fly relief most often?
- How important is convenience versus cost per application?
- Do you have other fly control methods for ongoing control?
- Who will be applying the product?
- How often do you currently spray for flies?
- Do you prefer natural or synthetic insecticides?
- What size areas need treatment?
- Are there any label restrictions for your application sites?