It infests ripening cherries throughout the state and ripening raspberry, blackberry, blueberry, and strawberry crops, especially in coastal areas. The males have a dark spot near to the edge of each wing, which gives the species its common name. Spotted wing drosophila pupating on the surface of a cherry.

Spotted wing Drosophila (Drosophila suzukii) larvae in a grape. The spotted wing Drosophila is a small fly (2 to 3.5 mm) yellow-brown in colour with transverse black rings across the abdomen and protruding brick-red eyes. The niches utilized by the fly species partially overlap, as do the microbiota that sustain them, and interactions among these … Identity. Drosophila suzukii have three larval stages, called instars (Figure 8): the first instar, when they are small and young and less than 2 mm long; the second instar, when they are medium-sized from 2 to 3.5 mm long; and the third instar, when they Figure 8. The SWD life … Microorganisms play a central role in the biology of vinegar flies such as Drosophila suzukii and Drosophila melanogaster: serving as a food source to both adults and larvae, and influencing a range of traits including nutrition, behavior, and development. The larvae are white and cylindrical, reaching 3.5mm in length.

Spotted wing drosophila larva on damaged cherry. Spotted wing drosophila (SWD), Drosophila suzukii, is a fruit fly first found in 2008 damaging fruit in many California counties. Drosophila suzukii(spotted wing drosophila) Pictures. Summary of Invasiveness.