Aphids are common pests of canola during flowering stages. Crops in the northern agricultural region are attacked first. Early outbreaks are sometimes experienced on the south coast near Esperance.
Aphids can be particularly numerous following summer rains.
3.6 mm Small colonies Red eyes. Turnip aphids infesting canola at flowering. These aphids usually start to colonise the crop before bolting. Close up of turnip aphids infesting canola. This is the most common species found on canola crops in Western Australia.