Cankers on White MIlkwood

Cankers on White MIlkwood

Observation - Cankers on White MIlkwood. Description: Can anyone possibly tell me what these cankers are on the leaves of White Milkwoods? I can't seem to find any insects inside them (regularly anyway) but also wasn't too sure about it being a fungal infection. Cheers

Can anyone possibly tell me what these cankers are on the leaves of White Milkwoods? I can't seem to find any insects inside them (regularly anyway) but also wasn't too sure about it being a fungal infection. Cheers