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.

Product Details

Approved Crops

Bean, succulent

Berry, low growing

Brassica leafy vegetables


Cucurbit vegetables

Fruiting vegetables

Leafy vegetables