Managing Spotted Winged Drosophila in Commercial Fruit Production
Fruit flies native to the U.S. primarily lay eggs in soft, rotting fruit and cause little to no economic loses to undamaged fruits. These fruits flies are considered a nuisance pest to farmers unless the fruit has been previously injured. Spotted winged drosophila (SWD), Drosophila suzukii, on the other hand, is an invasive fruit fly that prefers to lay eggs in healthy, maturing fruit. It is native to Southeast Asia including China, India, Japan, Korea, and Thailand (Walsh et al., 2011), where the climate is similar to the Midwest.