Encyclopedia Entries
Canola Council Encyclopedia Entry
Swede midge
This insect pest causes damage to canola while in its larval stage. It has been found in Ontario and other locations in Eastern Canada, and has the potential to become…
Read moreRed turnip beetle
Both the adult and the larval stages of the red turnip beetle will feed on canola and other Brassica plants, however this occasional insect pest rarely causes economic damage. These…
Read morePainted lady
The painted lady or thistle butterfly (Vanessa cardui (L.)) is an occasional pest of canola, with the larval stage causing the damage. Fortunately, larvae feed primarily on Canada thistle leaves,…
Read moreLygus bugs
A common pest in canola (and can be an issue in other crops), the lygus bug has piercing-sucking mouthparts which cause physical damage to the plant through their nymph and…
Read moreFlea beetles
Potentially the most common insect pest of canola crops, flea beetles first attack plants in the seedling to early vegetative stages, when they are most vulnerable. The crucifer and striped flea beetle species have the combined potential to cause significant damage that will impact the crop for the rest of the growing season. Therefore, a good understanding of these insects and a strong consideration for management strategies to control them is imperative to a successful canola crop.
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