Male Spotted Wing Drosophila; photo by Griffin Dill. Actual size: 2-3 mm. SPOTTED WING DROSOPHILA UPDATE:  AUGUST 16, 2019 Click on photos to enlarge. David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology; Christina Howard, Produce Safety Professional Spotted wing drosophila fruit read more Spotted Wing Drosophila Update: August 16, 2019