Willow > Shoot/Branch Tips > Branch tips die and/or break
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Poplar gall borer
- Twig becomes swollen where larvae are feeding under bark
- Branch tips die and/or break above the gall
- Also found on aspen and poplars
- Fully grown larvae are up to 1" long, cylindrical body, creamy-white and legless
- More information on Poplar gall borer...