Berberis sawfly
What you will see
Larvae (cream with a black head) eat the leaves and can completely defoliate the shrub; genus Berberis and Mahonia, mostly B. thunbergii.
When to look
How to protect
- Prevention
- regular checks of the shrub from May
- By hand when presentpick off larvae
- Chemical — only when nothing else helps as per the labelOnly if the damage is severe: a product authorised in your country against: barberry sawfly.




















