Description
Tefluthrin is a potent soil-applied insecticide belonging to the synthetic pyrethroid chemical class. It is widely recognized in professional agronomy for its unique ability to volatilize in the soil, creating a protective vapor zone that effectively eliminates soil-dwelling pests before they can damage seeds or young seedlings.
The mode of action of tefluthrin involves the disruption of sodium channel function in the insect's nervous system. By keeping the channels open, the chemical triggers repetitive nerve impulses, leading to rapid paralysis and subsequent mortality. This contact and vapor action provides a quick and decisive knockdown effect against target populations.
Tefluthrin is primarily used on row crops such as maize, sugar beets, potatoes, and sunflowers. It is specifically targeted to control major soil pests, including wireworms (Elateridae larvae), seedcorn maggots, and other soil-borne insects that pose a threat during the critical germination and emergence phases of crop growth.
Application is typically performed using granular formulations placed directly into the planting furrow during the sowing operation. This method requires calibrated agricultural machinery to ensure precise placement. The vapor phase activity is a significant advantage, allowing the insecticide to move through soil pores to reach pests that are not in direct contact with the granules.
Safety and handling are paramount when utilizing tefluthrin. As a highly toxic substance to aquatic life and beneficial non-target organisms, drift and runoff must be strictly prevented. Operators are required to use appropriate personal protective equipment and adhere to all local regulations regarding the storage and disposal of chemical products.
Status in the European Union
Approved in the EU
- CAS number
- 79538-32-2
- Category (EU)
- IN - Insecticide
- Approved from
- 01.01.2012
- Approval until
- 31.05.2027
- ADI
- 0.005 mg/kg bw/day
- ARfD
- 0.005 mg/kg bw
- AOEL
- 0.0015 mg/kg bw/day
Regulatory status data: EU Pesticides Database © European Union, CC BY 4.0. EU status is for reference only and does not replace national registration in your country.