A formulation containing Bifenthrin 5.81% + Fluxametamide 5.81% EC is a combination insecticide used in agriculture to control a wide range of pests in crops like vegetables, fruits, cotton, and rice. 

 Key Features and Benefits:

1. Active Ingredients:

   - Bifenthrin: A broad-spectrum pyrethroid insecticide that acts on the nervous system of pests, causing paralysis and death. Effective against chewing pests like caterpillars and beetles.

   - Fluxametamide: A newer insecticide that belongs to the isoxazoline class. It disrupts pest feeding behavior and acts on chloride channels in the pests' nervous systems, particularly effective against sucking pests like aphids and thrips.

2. Mode of Action:

   - Dual-Action Control: The combination provides both contact and ingestion effects, increasing the effectiveness and coverage against a variety of pests.

   - Long-Lasting Protection: The formulation provides residual protection, reducing the need for frequent applications.

3. Target Pest

   - Chewing Insects: Caterpillars, beetles, and other larvae that cause direct damage to crops.

   - Sucking Insects: Aphids, thrips, and mites, which can transmit diseases to plants.

4. Usage: - Application: Typically applied as a foliar spray. Follow the recommended dosage and safety guidelines for optimal performance.

   - Benefits: Reduces crop damage and increases yield potential by protecting crops from a broad spectrum of insect pests.

This combination is ideal for integrated pest management programs, as it controls a range of pests, reduces crop stress, and helps farmers achieve healthier yields.