Proven, long-lasting control
Highly effective on early instar whitefly nymphs
Reduces honeydew production
Does not disrupt beneficial insects
Courier® Insect Growth Regulator is effective against whiteflies, leafhoppers, planthoppers, and mealybugs. The unique mode of action of Courier inhibits chitin biosynthesis, suppresses oviposition of adults, and reduces viability of eggs. Courier also provides vapor activity which reaches the underside of leaves where whiteflies dwell. Courier is not disruptive to beneficial insects and natural predators and is an excellent choice for resistance management.