QuestionsHow to growVegetable GrowingCarrotscarrot fly 0 Vote Up Vote Down Jack Duff asked 14 years ago Are carrot fly still laying eggs?and if not can I nowremove my defence barrier of garden fleece? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago There can be a late generation of carrot fly. Leave the fence in place, there is no advantage to its removal in any case.