Invasion biology of spotted wing Drosophila (Drosophila suzukii): a global perspective and future priorities

Asplen, M. K. and Anfora, G. and Biondi, A. and Choi, D-S. and Chu, D. and Daane, K. M. and Gibert, P. and Gutierrez, A. P. and Hoelmer, K. A. and Hutchinson, W. D. and Isaacs, R. and Jiang, Z-L. and Kárpáti, Zsolt and Kimura, M. T. and Pascual, M. and Philips, C. R. and Plantamp, C. and Ponti, L. and Vétek, Gábor and Vogt, H. and Walton, V. M. and Yu, Y. and Zappala, L. and Desneux, N. (2015) Invasion biology of spotted wing Drosophila (Drosophila suzukii): a global perspective and future priorities. Journal of Pest Science, 88 (3). pp. 469-494. ISSN 1612-4758, ESSN: 1612-4766

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Abstract

The Asian vinegar fly Drosophila suzukii (spotted wing Drosophila [SWD]) has emerged as a major invasive insect pest of small and stone fruits in both the Americas and Europe since the late 2000s. While research efforts have rapidly progressed in Asia, North America, and Europe over the past 5 years, important new insights may be gained in comparing and contrasting findings across the regions affected by SWD. In this review, we explore common themes in the invasion biology of SWD by examining (1) its biology and current pest status in endemic and recently invaded regions; (2) current efforts and future research needs for the development of predictive models for its geographic expansion; and (3) prospects for both natural and classical (=importation) biological control of SWD in invaded habitats, with emphasis on the role of hymenopteran parasitoids. We conclude that particularly fruitful areas of research should include fundamental studies of its overwintering, host-use, and dispersal capabilities; as well as applied studies of alternative, cost-effective management techniques to complement insecticide use within the integrated pest management framework. Finally, we emphasize that outreach efforts are critical to effective SWD management by highlighting successful strategies and insights gained from various geographic regions.

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