QuestionsHow to growFruitGooseberriesproblem with gooseberry saw fly 0 Vote Up Vote Down Ernie Lusby asked 14 years ago can you recommend treatment for above and any future prevention advice 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Sawfly damage looks worse than it is and the bush will soon leaf up again. The fruit is useable. If attacks are persistent each year, use a short-term insecticide such as Plant Rescue Bug Killer Fruit and VegÂ