The key pests of brassica crops, diamondback moth, is particularly hard to manage.

It has been known to destroy brassica and canola crops and cause economic damage to those industries in Australia and overseas.

In this video, Queensland Department of Agriculture and Fisheries Plant Protectionist John Duff and his team at Gatton share information about utilising beneficial insects in cropping systems, to manage diamondback moth.

Watch the three-minute video: