First record of the invasive spotted wing Drosophila infesting berry crops in Africa
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ORIGINAL PAPER
First record of the invasive spotted wing Drosophila infesting berry crops in Africa Ahmed Boughdad1 · Khalid Haddi2 · Amir El Bouazzati1 · Anas Nassiri1 · Abdessalem Tahiri1 · Chahrazade El Anbri3 · Taoufik Eddaya4 · Abedlhamid Zaid3 · Antonio Biondi5 Received: 19 May 2020 / Revised: 27 August 2020 / Accepted: 3 September 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract The spotted wing drosophila, Drosophila suzukii Matsumura (Diptera: Drosophilidae), is an invasive pest native to Asia that has recently invaded Europe and the Americas. This pest can seriously compromise fruit production in infested crops and has a remarkable ability to invade new areas with a diverse range of environments. We report for the first time D. suzukii infestations in African crops. We sampled 101 fields cultivated with soft-skinned fruits in two regions of northwestern Morocco. Morphological and molecular analyses confirmed the occurrence of D. suzukii in this area. In 2017 and 2018, approximately 15% of the surveyed farms growing small berries were infested by D. suzukii. A total of 61.11% of the surveyed raspberry fields were infested, followed by blueberries (22.22%), strawberries (11.11%) and mulberries (5.56%). Peak infestations were between March and June and in November and December. We carried out preliminary mass trapping in a raspberry tunnel, and of the two traps used, the red-colored trap baited with baker’s yeast and sugar was the most effective. The results are discussed in the light of the invasion potential for the African continent and integrated pest management (IPM) perspectives for soft fruit production in Morocco. Keywords Drosophila suzukii · Invasive pest · Integrated pest management · Mass trapping · Morocco
Key message Communicated by M. Traugott. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s10340-020-01280-0) contains supplementary material, which is available to authorized users.
• We found evidence of the presence of Drosophila suzukii
in northwestern of Morocco since, at least, 2017.
• Drosophila suzukii damage was found in raspberry, blue-
berries, strawberries and mulberries crops.
* Ahmed Boughdad [email protected]
• Flying D. suzukii adults mainly occurred in the spring
* Antonio Biondi [email protected]
• Mass trapping showed potential effectiveness for D.
1
• Future research is urgently needed on the biology of D.
and late fall.
suzukii control strategies in raspberry tunnels.
Département de Protection des Plantes et de l’Environnement, Ecole Nationale d’Agriculture, B.P. S/40, Meknes, Morocco
2
Department of Entomology, Federal University of Lavras, Lavras, MG 37200‑000, Brazil
3
Faculté des Sciences, Université Moulay Ismail, B.P. 11201, Meknes, Morocco
Introduction
4
Institut des Techniciens Spécialisés en Horticulture, B.P. 4002, Meknes, Morocco
5
Department of Agriculture, Food and Environment, University of Catania, Via Santa Sofia 100, 95123 Catania, Ita
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