Actellic 25 EC Insecticide | Actellic 25EC
Actellic 25 EC is a broad-spectrum organophosphorus insecticide and acaricide for the control of thrips, aphids, bed bugs, cockroaches, and mosquitoes.
Actellic 25 EC insecticide is manufactured and distributed by Syngenta Kenya and Twiga Chemicals Ltd.

Actellic 25 EC insecticide Key Specifications.
- Active Ingredient: Pirimiphos-methyl (250 g/L)
- Formulation: Emulsifiable Concentrate (EC)
- Mode of Action: Contact, stomach, and fumigant action; acts as an acetylcholinesterase inhibitor, causing nervous system paralysis and death.
- WHO Classification: Class II (Harmful)
Actellic 25EC insecticide Target Pests & Uses.
- Stored Grains & Products: Actellic 25 EC insecticide Controls weevils, grain borers, and other storage pests in bulk-stored or bagged grain, as well as on storage walls, floors, and equipment. This is a good alternative to consider if you don’t need to use fumigation tablets like Celphos, Quickphos, etc.
- On Crops: Actellic 25EC is used on select crops including potatoes, vegetables, citrus, bananas, pineapples, French beans, peas, and brassicas to manage chewing and sucking insects (such as thrips, aphids, whiteflies, and diamondback moth).
- As a Public Health Pest Control: It serves a good role for vector control (mosquitoes, flies) and household/structural pests including cockroaches, ants, fleas, and bedbugs.
- Used in cattle Hides and Skins protection: It’s used as a dip solution.
Actellic 25 EC insecticide Application Rates & Guidelines.
Here are fast guide tips for DIY pest control if you happen to purchase Actellic 25 EC chemical. SO on;
- On Empty Store Surfaces: Use 200 mL of Actellic 25 EC per 100 m² diluted in 10 litres of water.
- On Bagged Grains: Dilute 100 mL of Actellic 25 EC in 5 litres of water and apply using a knapsack sprayer per 100 m².
- For Grain Admixture Treatment: Apply 10–40 mL in 1–2 litres of water per 1,000 kg of grain as it feeds into bins.
- And for Hides and Skins Dip: Prepare a 2% solution (2 litres of Actellic 25 EC in 100 litres of water).
- Then, for the Withholding/Breaking Period: Allow at least 14 days after treating grain before consumption or use.
Actellic 25EC Product Information
| Active Ingredient | Pirimiphos-methyl |
| Formulation | Emulsifiable Concentrate (EC) |
| Recommendations for Use Stored Products | Applied in stores as pre-treatment
|
| Â To treat bagged grains | To treat bagged grains
|
| For admixture treatment | For admixture treatment
|
| Hides and Skins | Hides and Skins
|
| Grain Borer | Grain Borer
|
| To treat bagged grains | To treat bagged grains
|
| Rates | Rates
|
| Support: | In case of an emergency, call toll-free nos.: 00800720021 and 00800730030 (24hrs) |
Pests Controlled | Target Pests
Similar to Actellic 5o EC, here are the top common pests to control using Actellic insecticide
Aphids, Thrips, Whiteflies, Mites, Weevils, Cabbage root fly, Flea beetle, Whitefly, Caterpillars, Cutworms, Leafworms, Onion fly, Thrips, Fruit fly, Leaf miner, Fried egg scale, Sawfly, Beetle, Berry borer, Berry moth.
Areas To Use Actellic 25EC
Here are the top common areas to use Actellic insecticide
You can use it in domestic, Industrial, Storage, Catering, Hotels & restaurants pest control. Here, the best way/application type is using Low-pressure spray or ULV cold fog. For best performance, you can use a dosage of mixing 120ml of Actellic 25EC mixed in 20 liters of water in a sprayer and apply.
Benefits of Using Actellic 25EC
- Wide spectrum of activity against insect pests in stored grain, horticultural crops, hides, and skins, coffee, and fruits
- Fumigant action besides being a stomach and contact poison
- Effective with a short PHI period on crops close to harvesting
- Low mammalian toxicity and environmentally friendly
- Does not taint or stain sprayed surfaces
Are you planning to use Actellic 25 EC for stored grain protection, crop pest management, or household/store fumigation? You can always contact LULU Pest Control for precautions and handling instructions if needed. Meanwhile, the MSDS can be accessed from Syngenta or Twiga Chemicals.






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