Mode of Action: Bayer's Decis is a Contact insecticide 

Product  Description: Deltamethrin is the world's most effective synthetic pyrethroid insecticide for use in agriculture, being photostable. Bayer's Decis is a nonsystemic insecticide that acts by contact and ingestion, and exhibits a broad-spectrum control of chewing and sucking insects.

Dosage: Use Decis 1.5-2ml per liter of water