Broad insect pest resources including Apps are outlined in the Agronomists Toolkit. Select below for pest-specific information.

Back

Cabbage centre grub

Constraint - Cabbage centre grub

Description

  • 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

Symptoms

  • 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

Damage

  • Numbers are rarely high enough to cause economic damage

Control

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.