Paul Matthews asked 15 years ago
My multi-stemmed birch is being atacked by greeny yellow caterpillars with black stripes about 2 cm long that are eating the leaves. Should I do anything about it such as spraying with a pesticide or just leave them to their meal?
1 Answers
Gerry Daly Staff answered 6 years ago
Live and let live!
These do no significant harm, even with extensive leaf loss.
