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Environmentally sustainable pest control options for Drosophila suzukii

Author:
Schetelig, M. F., Lee, K.‐Z., Otto, S., Talmann, L., Stökl, J., Degenkolb, T., Vilcinskas, A., Halitschke, R.
Source:
Journal of applied entomology 2018 v.142 no.1-2 pp. 3-17
ISSN:
0931-2048
Subject:
Drosophila suzukii, control methods, eggs, females, fruit crops, fruits, harvesting, larvae, ovipositor, pest control, pesticides, plant pests, Asia, Europe
Abstract:
The spotted‐wing drosophila or cherry vinegar fly (Drosophila suzukii) is native to Asia but has invaded other continents since 2008 and has spread throughout Europe. The females have a serrated ovipositor allowing them to penetrate the skins of intact ripening fruits to deposit their eggs, and the developing larvae rapidly destroy the fruits close to harvest. Drosophila suzukii has a rapid life cycle and the larvae develop well beneath the fruit surface. This means that the use of pesticides is problematic and often not effective, first due to their restricted use close to harvest to protect consumers, and second because the larvae are deep enough inside the fruit to avoid contact. There are currently no effective and environmentally sustainable pest control methods for this species, resulting in extensive damage to fruit crops. Here, we review the current status of D. suzukii as a fruit crop pest and discuss the feasibility of current pesticide‐free control methods. We also consider the potential of new technologies as a basis for the urgently needed specific and long‐term control of this species.
Agid:
5884428