Chemical Mode of Action and Pest Spectrum
Bifenthrin operates by interfering with sodium channel gating in insect nerve cell membranes. This leads to continuous nerve depolarization, tremors, rapid paralysis, and insect mortality.
Unlike many conventional pyrethroids, Bifenthrin possesses excellent acaricidal efficacy, controlling spider mites alongside chewing and sucking insects.
- Cotton: Bollworm complex, whiteflies, and two-spotted spider mites.
- Sugarcane: Termite suppression via soil drenching during planting.
- Tea: Red spider mite, tea mosquito bug, and looper caterpillars.
- Structural termite barrier: Widely registered for pre- and post-construction soil drenching to create an enduring barrier against subterranean termites.
Application Guidelines and Safety Precautions
Because Bifenthrin binds tightly to organic matter and soil particles, it demonstrates minimal vertical leaching, providing a stable protective perimeter.
Applicators must follow safety guidelines to prevent dermal exposure and protect aquatic ecosystems from chemical runoff.
- Wear nitrile gloves, protective clothing, face shield, and rubber boots during handling and application.
- Maintain adequate safety buffer zones around ponds, rivers, and fish hatcheries, as pyrethroids are highly toxic to aquatic life.
- Adhere to label pre-harvest intervals (PHI) to prevent illegal residues on harvested tea, cotton, and food crops.
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What chemical group does Bifenthrin belong to?
Bifenthrin belongs to the synthetic pyrethroid family (IRAC Group 3A), acting on insect nerve sodium channels.
Can Bifenthrin control both insects and mites simultaneously?
Yes, Bifenthrin is effective against both chewing caterpillars/sucking insects and phytophagous spider mite complexes.
How is Bifenthrin used for termite prevention in agriculture?
It is diluted in water and drenched into crop planting furrows or around tree basins to create a protective barrier against subterranean termites.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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