Rosemary beetle: how to spot, prevent and treat it pest

How do you spot rosemary beetle?

The leaves are eaten and left as short stubs with a grey brown edge where the tissue has dried. The metallic green and purple beetles are on the plant all year round.

How do you prevent rosemary beetle?

Action is usually not needed, because a healthy plant takes the beetle. Encourage birds and ground beetles.

What works against rosemary beetle?

Pick them off by hand or shake the branches over a sheet of paper laid underneath, easiest in the morning, when the beetles are slow.

Which plants get rosemary beetle? 4

Herbs 4

Sources: EPPO Global Database, Royal Horticultural Society
Checked on 17 August 2026.