Description
Fenoxycarb is a potent active ingredient classified as an insect growth regulator (IGR), acting specifically as a juvenile hormone analogue. Unlike conventional contact insecticides that induce rapid neurotoxic responses, fenoxycarb functions by disrupting the endocrine system of pests, effectively preventing them from reaching the reproductive adult stage or completing their developmental cycle.
The mode of action of fenoxycarb involves binding to the juvenile hormone receptors in the insect. By mimicking this natural hormone, the compound maintains the insect in a larval state or interferes with egg development (ovicidal effect). Consequently, exposed eggs fail to hatch, or developing larvae die during molting, leading to a significant collapse in the overall pest population density within the treated area.
This compound is widely utilized in orchards, vineyards, and greenhouses to control a variety of lepidopteran pests, such as leafrollers and codling moths, as well as scale insects. Its selectivity is a key advantage, as it minimizes adverse effects on beneficial insects, including predatory mites and parasitic wasps, making it a cornerstone of Integrated Pest Management (IPM) programs.
Application timing is critical for the success of fenoxycarb treatments. The substance should be applied when pests are in the egg stage or early larval instars to achieve maximum efficacy. Since it acts as a growth regulator rather than a knockdown agent, growers should anticipate a gradual reduction in population rather than immediate mortality. Uniform spray coverage is essential to ensure the active ingredient reaches all potential breeding sites.
- Superior residual activity on foliage.
- Strong ovicidal and larvicidal properties.
- Compatibility with beneficial predator populations.
- Low volatility and high stability in various weather conditions.
Safety precautions during the handling of fenoxycarb are essential for operator protection. Users must wear appropriate protective clothing, gloves, and respiratory gear. Due to its potential impact on aquatic life, spraying near water bodies must be strictly managed with buffer zones. Proper storage in a cool, dry place away from food and animal feed is required to maintain chemical integrity and safety.
Status in the European Union
Not approved in the EU
- CAS number
- 72490-01-8
- Category (EU)
- IN - Insecticide
- Approved from
- 01.06.2011
- Approval until
- 31.05.2021
- ADI
- 0.053 mg/kg bw/day
- ARfD
- 2.0 mg/kg bw
- AOEL
- 0.1 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.
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