Spotted Wing Drosophila Update:  July 23, 2021 Click on photos to enlarge. David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology   Male (left) and Female (right) Spotted Wing Drosophila; photo by Griffin Dill. Actual size: 2-3 mm. While we continue read more Spotted Wing Drosophila Update: 7/23/2021