Control of spotted wing drosophila (Drosophila suzukii [Matsumura], Diptera, Drosophilidae) with the emphasis on environmentally acceptable methods
2014
Tanja BOHINC | Stanislav TRDAN
Spotted wing drosophila (Drosophila suzukii) is an economically important insect pest, which causes damage on cultivated and wild-growing fruit plants. The pest, which is placed in A2 EPPO list, occurred in Slovenia since 2010 and it is spreading progressively. Since its first record in Spain and Italy (2008), it is now present in the majority of Mediterranean countries. In the review paper the most important control methods against the spotted wing drosophila are presented. In some parts of the world the pest is efficiently controlled with synthetic insecticides, however their use is questionable owing to waiting period, since the insect occurs on fruits in the time of ripening and before harvesting. Thus, more and more researches are focused in the studies of alternative (environmentally sound) control methods of this pest. So far, biological control of spotted wing drosophila is more effective in Asia than in Europe. In the upcoming years it is therefore important to investigate the distribution and efficiency of indigenous biological control agents in the Old continent. Among them we suggest to investigate how effective are the predatory bug Orius majusculus and entomopathogenic nematodes against this pest. For everyday practice, we recommend the use of traps filled with attractants for the massive trapping of adults, plant hygiene in plantations, covering the plants with dense net etc.
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