First observations of Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) suggest that it is a transient species in Finland

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چکیده

Drosophila suzukii, known as the spotted wing drosophila (SWD), is a major pest of berries and stone fruits. In 2014 it was recorded for first time in Nordic countries. this study, we report observations D. suzukii Finland. The trap catches SWD were observed 2019 North Savo at berry farm that handles imported berries. 2020–2021, no adult flies trapped or near farm, but August 2022, SWDs caught same farm. 2023, one female haplotype previous year found mid July, further population growth observed. This suggests some overwintering events may happen, lack overwintered males hinder growth. 2021–2022, larvae eggs several batches Our results suggest there pathway introduction up to level. Observed adults 2022 probably originated from new rather than an population, because during two preceding seasons. Identification specimens confirmed with PCR sequencing COI region, four haplotypes found.

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ژورنال

عنوان ژورنال: Agricultural and Food Science

سال: 2023

ISSN: ['1459-6067', '1795-1895']

DOI: https://doi.org/10.23986/afsci.130404