The label is the law. Rates and restrictions below are taken from the product labels listed under Sources. Your product's own label governs; read it before you mix or apply. Mixing calculator · Disclaimer
- Active ingredient
- Hexythiazox
- Chemical class
- IRAC Group 10A mite growth inhibitors affecting CHS1, a growth-regulation mode of action shared with clofentezine.[2]
- Mode of action
- IRAC Group 10A: Mite growth inhibitors affecting CHS1: clofentezine, diflovidazin, hexythiazox[2][1]
- Signal word
- Hexygon IQ Miticide (registered as Hexygon EW Miticide): Caution[1]
Who can apply it at home
The label allows use in home plantings, ornamental landscaping and residential lawns, but only by licensed commercial pesticide applicators. It isn't a do-it-yourself product.[1]
Residential apples and pears need 28 days between spraying and harvest, and home stone fruit and nut trees need 7 days. The lawn uses exclude California.[1]
Rotation and cross-resistance
IRAC groups hexythiazox with clofentezine because mites resistant to one show cross-resistance to the other, even though the chemicals differ in structure.[2]
To slow resistance, the label says to rotate to a miticide from a different group rather than repeating Group 10A sprays.[1]
Where it is used
Spray at the first sign of mites, before adults build up. It kills eggs and young mites but leaves adult spider mites alive.[1]
Adults that touch treated leaves lay eggs that won't hatch. With many adults already present, the label suggests pairing it with a contact adulticide.[1]
Only one application of this or any other hexythiazox product per crop per year is allowed, so time it well.[1]
Get thorough, uniform coverage of all plant surfaces. Emulsions can spot leaves in hot weather or slow drying, so avoid excess runoff.[1]
Products and registrations
| Product | Registrant | EPA Reg. No. | Active % | Formulation | Signal word |
|---|---|---|---|---|---|
| Hexygon IQ Miticide (registered as Hexygon EW Miticide)[1] | Gowan Company, LLC | 10163-365 | 11.93% | emulsion in water | Caution |
Label rates
| Product | Use | Pests | Rate |
|---|---|---|---|
| Hexygon IQ Miticide (registered as Hexygon EW Miticide) | Ornamentals, nonbearing fruit trees and vines, landscape plantings, lawns and turf, Christmas trees, and residential apple, pear, peach, plum and nut trees | Two-spotted, Pacific, spruce, southern red, European red, strawberry and other spider mites; clover, Banks grass and brown wheat mites on turf | 4–8 oz product per 100 gallons of water[1] The per-acre equivalent is 12 to 24 ounces. Use the higher end for heavier infestations or big, dense trees, and never go below the labeled rate. |
| Hexygon IQ Miticide (registered as Hexygon EW Miticide) | Ornamental plants, lawns and turf, orchids, greenhouse tomatoes and peppers, measured by area | Spider mites listed on the label | 0.28–0.55 oz product per 1,000 sq ft[1] Use enough water for complete coverage of every plant surface. On turf, spray at the first signs of mite egg laying. |
Safety and environmental hazards
People
Signal word CAUTION: harmful if swallowed, inhaled or absorbed through skin, and causes moderate eye irritation. Handlers wear long sleeves, long pants, chemical-resistant gloves, shoes and socks. It contains petroleum distillate.[1]
Pets
For landscape and other non-farm uses, the label says to keep children, pets and unprotected people out of treated areas until the spray has dried.[1]
Bees and pollinators
The label carries no bee or pollinator warning.[1]
Fish and water
Toxic to fish and aquatic invertebrates. Never spray it onto water, and keep drift and runoff out of nearby ponds and streams.[1]
Common questions
- Does hexythiazox kill adult spider mites?
- No. The label says adults aren't directly affected, though eggs laid by treated females won't hatch. It works on eggs and immature mites.[1]
- How much Hexygon IQ per 100 gallons?
- 4 to 8 ounces per 100 gallons of water, or 12 to 24 ounces per acre, applied once a year.[1]
- Can I spray Hexygon on my lawn?
- Lawns and turf are on the label outside California, but home lawns and landscapes must be treated by a licensed commercial applicator.[1]
Sources
- U.S. EPA Pesticide Product Label System, “Hexygon EW Miticide label, EPA Reg. No. 10163-365 (EPA-stamped, Nov. 13, 2018).” www3.epa.gov/pesticides/chem_search/ppls/010163-00365-20181113.pdf (accessed 2026-10-06)
- Insecticide Resistance Action Committee, “IRAC Mode of Action Classification Scheme, Version 11.5 (Feb. 2026).” irac-online.org/documents/moa-classification/ (accessed 2026-10-06)