Active Ingredient Profile and Growth Inhibition Mechanism
Hexythiazox is a synthetic acaricide belonging to the thiazolidine chemical class, formulated as an emulsifiable concentrate (5.4% EC).
It works by inhibiting chitin biosynthesis during mite embryonic and nymphal development.
When applied to foliage, it penetrates mite eggshells and prevents embryos from developing, while also sterilizing adult female mites so that eggs laid after spray exposure fail to hatch.
- Formulation: 5.4 percent Emulsifiable Concentrate (EC)
- Ovicidal & larvicidal power: Completely kills mite eggs and developing nymphal instars
- Trans-ovarian sterility: Treated adult female mites lay sterile, non-viable eggs
- Long residual control: Translaminar leaf penetration provides thirty to forty-five days of persistent protection
Target Mite Species and Approved Crop Applications
Hexythiazox is registered across commercial tea plantations, chilies, apples, cotton, and vegetables.
Applying at the early onset of mite infestation before high adult densities build up provides lasting biological suppression.
- Tea: Highly effective against red spider mites, pink mites, and purple mites
- Chilies: Controls yellow mite (Polyphagotarsonemus latus) infestations on tender shoot tips
- Apple and fruit crops: Manages European red mite and two-spotted spider mite outbreaks
Spraying Instructions, Translaminar Penetration, and Safety
Because Hexythiazox features translaminar movement, spraying the upper leaf surface redistributes chemical into lower leaf tissues where mites congregate.
If adult mite populations are already high, tank-mixing with a fast-acting adulticide (such as Propargite or Fenazaquin) provides complete life-stage knockdown.
Wear standard personal protective equipment during handling.
- Translaminar action: Penetrates leaf tissues to kill eggs and nymphs feeding on lower leaf surfaces
- Tank pairing: Combine with an adulticide during peak outbreaks for simultaneous egg-to-adult control
- Beneficial safety: Highly safe for honeybees, predatory Phytoseiidae mites, and ladybird beetles
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
How does Hexythiazox control mite populations?
It acts as a mite growth inhibitor that kills eggs and nymphs and renders adult female mites sterile, halting the reproductive cycle.
Does Hexythiazox kill adult mites immediately?
No, it does not provide instant knockdown of adult mites; adults die naturally within a few days while all eggs and nymphs are eliminated.
Is Hexythiazox safe for predatory mites and honeybees?
Yes, Hexythiazox exhibits outstanding selectivity, sparing beneficial predatory mites and honeybees in IPM programs.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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