The Pest Management Regulatory Agency (PMRA) was prompted to make a special review of pymetrozine based on a cancellation of the active ingredient in Norway. On May 6, 2021, PMRA cancelled all outdoor uses, with greenhouse vegetable use to remain with new mitigation measures. 

Pymetrozine is an insecticide used for the control of aphids in leafy vegetables (Crop Group 4), potatoes, highbush blueberries, tobacco, Rhodiola rosea, outdoor ornamentals, greenhouse vegetables (pepper, tomato, cucumber and eggplant) and to control Balsam twig aphid on Christmas trees. It is also registered for the control of aphids and the reduction of whiteflies on ornamental plants in greenhouses.

Greenhouse uses: The potential cancer risk of pymetrozine (occupational) is considered to be acceptable with the following risk mitigation measures: 

-  PPE requirement of a long-sleeved shirt, long pants, chemical-resistant gloves, socks and shoes during mixing, loading, application, clean-up and repair.

-  For greenhouse vegetables: To improve clarity, a maximum spray volume of 2000 L/ha is required.

 For the entire PMRA decision, link here: https://bit.ly/3tkbj7S

Source:  Pest Management Regulatory Agency May 6, 2021 news release