Description
Teflubenzuron is a highly effective active ingredient belonging to the benzoylurea chemical class, widely used in agriculture as an insecticide. The primary function of this substance is to disrupt the vital physiological processes of pests specifically during their larval development stages.
The mechanism of action for this compound is the inhibition of chitin synthesis within the insect cuticle. Upon ingestion or contact, the substance prevents the formation of a proper exoskeleton, making the molting process impossible. Consequently, larvae perish while attempting to transition between developmental instars, effectively preventing them from reaching maturity.
This product is successfully utilized on a variety of crops, including vegetables, fruits, and field crops. It demonstrates high biological activity against a wide range of Lepidoptera (caterpillars), Coleoptera, and certain Diptera species. It is frequently favored in integrated pest management (IPM) programs due to its selective nature and relative safety for many beneficial insects and natural predators.
Application of teflubenzuron requires careful planning, as the substance exhibits strong larvicidal activity but has minimal effect on adult insects (imagos). The optimal timing for field application is during the egg-laying stage or upon the emergence of early-instar larvae. Ensuring uniform coverage of the foliage with the working solution is crucial for maximizing efficacy.
- High resistance to wash-off by rainfall.
- Prolonged residual protection period.
- Favorable safety profile for many beneficial species.
- Requirement for precise application timing based on pest phenology.
When handling this insecticide, it is essential to follow strict safety protocols, including the use of personal protective equipment for skin and respiratory protection. The product is moderately toxic; therefore, care must be taken to prevent drift into water bodies and to ensure livestock is kept off treated areas for the duration of the established pre-harvest interval.
Status in the European Union
Not approved in the EU
- CAS number
- Teflubenzuron
- Category (EU)
- IN - Insecticide
- ADI
- 0.01 mg/kg bw/day
- ARfD
- Not appl.
- AOEL
- 0.016 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.