Cabbage seedpod weevil management in canola

Winter canola acreage in central and eastern Washington continues to increase as more producers learn about the rotational benefits and potential profitability of canola in predominantly cereal-based rotations. With more acres in production, insect pests common in other canola-growing regions of the US and Canada are now being observed in the Pacific Northwest (PNW). While many of the pests are not at thresholds to warrant control measures, the cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham), is becoming a problem in some areas of Washington State