K-Othrine WG by ENVU is a concentrated residual insecticide designed for professional management of mosquitoes and cockroaches. The convenient 2 g monodose pack contains water-dispersible granules that dissolve or disperse easily when mixed with water.
The prepared solution is sprayed onto approved surfaces where mosquitoes commonly rest and cockroaches hide or travel. Once the treated surface dries, susceptible insects are exposed to Deltamethrin when they come into contact with the insecticide deposit.
K-Othrine WG is suitable for targeted pest-control treatments in household and commercial premises, including approved food-handling and food-processing areas. Its odourless and non-staining formulation makes it suitable for sensitive premises when correctly applied according to the original product label.
K-Othrine WG 250 is also an actively WHO-prequalified indoor residual spraying product. WHO identifies it as a water-dispersible granule formulation containing 25% Deltamethrin.
Key Features and Benefits
- Contains Deltamethrin 25%
- Controls mosquitoes and cockroaches
- Broad-spectrum residual insecticide
- Provides long-lasting surface activity
- Odourless formulation
- Non-staining when correctly applied
- Easy-to-dilute water-dispersible granules
- Maintains good suspension in the spray pump
- Convenient 2 g monodose pack
- Easy to carry, measure and use
- Suitable for approved food-handling and food-processing areas
- WHO-prequalified vector-control formulation
Target Pests
K-Othrine WG is recommended for the control of:
- German cockroaches
- American cockroaches
- Culex mosquitoes
- Other mosquito and cockroach species included on the registered product label
Recommended Areas of Use
K-Othrine WG may be used on approved surfaces in locations such as:
- Houses and apartments
- Restaurants and hotels
- Commercial kitchens
- Food-handling premises
- Food-processing facilities
- Shops and commercial buildings
- Hospitals and institutional premises
- Offices and storage areas
- Cracks and crevices
- Areas behind furniture and appliances
- Wall and floor junctions
- Mosquito-resting surfaces
- Cockroach hiding and movement areas
In food-related premises, food, packaging, utensils and food-contact surfaces must be removed or securely covered before treatment.
Recommended Dosage
Mix:
2 g of K-Othrine WG in 1 litre of water.
Apply the prepared solution to cover:
- 20 square metres for a high infestation, or
- 40 square metres for a low infestation.
Always follow the dosage and application directions printed on the original ENVU packaging. Do not increase the concentration beyond the registered rate.
Application Instructions
- Inspect the premises and identify mosquito-resting areas and cockroach harbourages.
- Wear the protective equipment specified on the product label.
- Fill the spray tank partly with clean water.
- Open one 2 g monodose pack carefully.
- Add the granules to the spray tank.
- Add the remaining water to make a total of 1 litre.
- Mix or agitate thoroughly until the formulation is evenly dispersed.
- Apply uniformly to approved pest-resting, hiding and movement areas.
- Concentrate treatment on cracks, crevices, corners and structural gaps.
- Avoid excessive spraying, dripping and runoff.
- Keep people and animals away during treatment.
- Allow treated surfaces to dry completely before permitting re-entry.
K-Othrine WG is a residual surface insecticide. It should not be used in thermal foggers, ULV machines or other space-spray equipment unless such use is specifically permitted on the original label.
Mode of Action
Deltamethrin is a synthetic pyrethroid insecticide. Susceptible mosquitoes and cockroaches are exposed when they contact the treated surface. The active ingredient disrupts normal nerve-signal transmission, resulting in rapid knockdown, paralysis and control of the insect.
Important Application Precautions
- Apply only to surfaces approved on the original label.
- Do not spray directly onto food, beverages or animal feed.
- Do not treat utensils or food-contact surfaces.
- Do not apply directly to people, pets or livestock.
- Remove or cover food, utensils, toys and animal feed before treatment.
- Keep children, pets and unauthorised persons away during application.
- Do not apply to surfaces that are regularly washed unless permitted by the label.
- Do not mix with other pesticides unless compatibility is confirmed by ENVU.
- Avoid contaminating drains, ponds and other water sources.
Safety and Handling
- Read the complete product label before use.
- Wear protective gloves, suitable clothing, footwear and eye protection.
- Avoid inhaling granule dust or spray mist.
- Avoid contact with the skin, eyes and clothing.
- Do not eat, drink, smoke or chew while handling the product.
- Wash hands, face and exposed skin thoroughly after application.
- Wash contaminated clothing separately before reuse.
- Store in its original labelled packaging.
- Keep away from children, medicines, food and animal feed.
- Store in a cool, dry, secure and well-ventilated location.
- Do not reuse empty packaging.
- Dispose of unused product and packaging according to local regulations.
Deltamethrin products can be hazardous to aquatic organisms. Prevent the concentrate, diluted spray and equipment wash water from entering drains, ponds, waterways or groundwater.
First Aid
- Skin contact: Remove contaminated clothing and wash the affected skin thoroughly with soap and water.
- Eye contact: Rinse carefully with clean water for several minutes.
- Inhalation: Move the affected person to fresh air.
- Swallowing: Do not induce vomiting unless instructed by a medical professional.
Seek medical assistance after swallowing, significant exposure or persistent symptoms. Carry the original product pack or label when obtaining medical treatment.
Important Notice
K-Othrine WG is a professional insecticide intended for responsible pest-management and approved vector-control applications. Use it only against registered pests and on surfaces permitted by the original ENVU label. The dosage, safety precautions, application directions and registration information printed on the original packaging always take priority over general online product information.
Sold by: Shree Agro Agencies

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