Active Ingredient Profile and Mode of Action
Fenpyroximate is a contact acaricide belonging to the phenoxypyrazole chemical class, formulated as an emulsifiable concentrate (5% EC).
It functions as a Mitochondrial Electron Transport Inhibitor (METI), selectively blocking Complex I (NADH dehydrogenase) in mite cellular mitochondria.
Deprived of cellular ATP energy, exposed mites experience immediate paralytic knockdown, permanent feeding cessation, and death.
- Formulation: 5 percent Emulsifiable Concentrate (EC)
- METI Complex I inhibitor: Shuts down mitochondrial cellular respiration in mite tissues
- Broad life-stage activity: Kills mobile mite larvae, nymphs, and feeding adult stages, with secondary ovicidal activity
- Rainfast action: Rapid cuticular penetration provides dependable rain resistance within one to two hours
Target Mite Species and Approved Crop Applications
Fenpyroximate is registered across commercial tea plantations, chilies, tomatoes, apples, and floriculture.
It is recognized for controlling destructive mite complexes that form heavy webbing on the undersides of mature leaves.
- Tea: Controls red spider mites (Oligonychus coffeae), pink mites, and purple mites
- Chilies: Suppresses yellow mites (Polyphagotarsonemus latus) on tender shoot tips
- Vegetables & apples: Manages two-spotted spider mites and European red mites
Application Guidelines, Canopy Wetting, and Safety
Because mites inhabit lower leaf surfaces beneath protective webbing, spraying requires high water volumes and fine cone nozzles.
Rotate with non-METI acaricides (such as Spiromesifen or Hexythiazox) to delay resistance development.
Wear standard personal protective equipment during handling and observe label pre-harvest intervals.
- Underside penetration: Direct spray nozzles upward to thoroughly coat leaf undersides and interior foliage
- Resistance rotation: Rotate with different IRAC acaricide groups across the cropping cycle
- Safety apparel: Wear protective clothing, rubber gloves, and an approved dust respirator during mixing
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What type of pesticide is Fenpyroximate 5 EC?
Fenpyroximate is a selective METI pyrazole acaricide formulated specifically to control phytophagous mites.
Does Fenpyroximate kill both nymph and adult mites?
Yes, it provides rapid contact knockdown and control across all mobile mite growth stages including larvae, nymphs, and adults.
Is Fenpyroximate safe for predatory mites and bees in IPM?
When used according to label instructions, it exhibits acceptable selectivity, making it compatible with structured IPM programs.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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