Pests in Canola
Broad insect pest resources including Apps are outlined in the Agronomists Toolkit. Select below for pest-specific information.
Cabbage centre grub
Constraint - Cabbage centre grub
Adult moths are about 12 mm long with light and dark brown markings
Larvae are a creamish colour with dark heads, grow up to 12 mm long and have reddish-brown stripes along the body
Caterpillars of the cabbage centre grub attack canola by tunneling into the growing points of the plants, covering the entrances with webbing
Occasionally, they feed within the leaves of older plants, forming blisters
Cabbage centre grubs are active throughout summer and autumn
- Numbers are rarely high enough to cause economic damage
Control is seldom necessary. Beneficial predaotors and registered insecticides are effective in controlling this pest.
Links and Resources
CESAR - Pestfacts. Cabbage centre grub
Feeding damage, observations, distinguishing features, lifecycle, and crop monitoring. Published 2007.
GRDC - Best Practice Management Guide. Cabbage centre grub
Page 58 of 92. Brief information. Feeding habits and damage caused. Published 2009.