Courier Rice Delphacid Quarantine Exemption
The U.S. EPA has granted a Section 18 Quarantine Exemption allowing the use of Courier insecticide (buprofezin) from April 15, 2026 through March 19, 2029 to control rice delphacid (insecticide label below). Courier is registered at 9.0–13.6 fl oz/acre with up to two applications allow per year. Several studies have demonstrated effective control of delphacid nymphs with Courier applied at 13.6 fl oz/acre.