Tracking the march of leek moth in Ontario
Leek moth (Acrolepiopsis assectella) is an invasive pest of European and Asian origin. The first North American detection occurred near… Continue Reading Tracking the march of leek moth in Ontario
Category: Insecticides
Corn Earworm and Late Planted Sweet Corn
Corn earworm pressure often increases as we head into September. With turbulent weather patterns originating in the Gulf of Mexico,… Continue Reading Corn Earworm and Late Planted Sweet Corn
Matador/Warrior/Silencer and Imidan proposed phase out
The PMRA have proposed to cancel the registration of both lambda-cyhalothrin (Matador/Silencer/Warrior) and phosmet (Imidan). The decisions can be found here:… Continue Reading Matador/Warrior/Silencer and Imidan proposed phase out
Scouting for onion thrips
Onion thrips (Thrips tabaci) feed on more than just onions; they also feed on cabbage, leaf lettuce, a variety of… Continue Reading Scouting for onion thrips
Insect pests of pepper fruit
There is a long list of insects that can damage field pepper fruit in Ontario. Many cause significant damage on… Continue Reading Insect pests of pepper fruit
Time to Scout for Asparagus Beetles
Asparagus beetle activity is on the rise. The adult beetles hide in soil cracks or underneath residue during the heat… Continue Reading Time to Scout for Asparagus Beetles
Cabbage Maggot; An old pest with limited options
The cabbage maggot (Delia radicum) is the larvae stage of the cabbage root fly which can cause severe damage to… Continue Reading Cabbage Maggot; An old pest with limited options
Potato Insects – Insecticide Activity Table
Here is a quick reference guide for insecticides registered on potatoes in Ontario. Use it as a guide only, always… Continue Reading Potato Insects – Insecticide Activity Table
Carrot Weevil Control Update
Carrot weevil remains the most important insect pest to many Ontario carrot growers, and the amount of damage seems to… Continue Reading Carrot Weevil Control Update
Preventing Yield Loss from Flea Beetles
Flea beetles are a common crop pest of crucifers in Ontario and overwinter as adults near the soil surface in… Continue Reading Preventing Yield Loss from Flea Beetles