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. First detected in Iowa in 2012, SWD has remained a relatively innocuous pest only causing isolated economic injury until the 2015 growing season. This publication outlines management practices and options for infested fruit.

Pages / Length: 7
Publication Date: 01/2016

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