Enhancement of Drosophila suzukii trapping


Abstract: In the present study two different trap types, each at two different positions in the orchard were compared for their trapping efficiency of spotted wing drosophila (Drosophila suzukii). An improved version of a self-made trap type (“green bottle trap”) and a commercially available trap type (“Swiss cup trap®”, RIGA AG, Switzerland) were studied, in order to find a trap type with high trapping efficiency, but easy to handle and at reasonable costs. The mean number of caught individuals per trap was statistically significantly different between the trap types, the height of trap positioning and for the portion of caught males and females of spotted wing drosophila. The obtained results lead to the conclusion that the self-developed “green bottle traps” are an effective, suitable alternative to commercially available traps.

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