Swiss scientists have been testing netting as a way to exclude spotted wing drosophila from cherry orchards. Researchers at the Breitenhof Stone Fruit Centre in Wintersingen, near Basel, covered Staccato cherry trees with two types of insect netting: a black net with a mesh size of 1.7 by 1.7 millimeters and a white netting with a mesh size of 1.2 by 1.2 mm, European Fruit Magazine reports. The larger mesh did not keep out the flies, but the 1.2 by 1.2 mm mesh did keep them at bay. However, the mesh size is so small that the netting decreases ventilation […]