Abstract
Abstract Spotted wing drosophila, Drosophila suzukii (Matsumura), is a major agricultural pest throughout most of the fruit growing regions of the United States, with high reproductive rates and short generation times resulting in exponential population growth in berry crops across the country. Fruit suitability research has been conducted for some small fruit species such as raspberries, strawberries, cherries, and blackberries; however, there is a paucity of data regarding the role of previous injury on host susceptibility and suitability for D. suzukii. This study examined the role of previous fruit injury on adult D. suzukii survival, adult production, and host susceptibility, with injury referring to physiological splitting, disease, and vertebrate feeding. Results indicate that intact raspberries, blueberries, and table grapes are susceptible to oviposition by D. suzukii and the presence of injury increases survival of both male and female flies. When fruit was injured, berry infestation levels inc...
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