Abstract

Spotted wing drosophila (SWD) - Drosophila suzukii, Matzumura is an important pest of soft and pome fruits. It originates from Asia, now spread throughout Europe, North, and South America. High reproductive potential, many generations per year, and their overlapping have made this pest hard to control. In Bosnia and Herzegovina, SWD has been present at least eight years and for that time little data has been collected on how it spreads and behaves in the agroecological conditions of the Republic of Srpska. Monitoring was conducted in the 2017-2021 period in orchards of different plant hosts. SWD was found in all agriculture regions of the Republic of Srpska with difference in population number. SWD adults are most active from the end of August and are most harmful for grape, blackberry, and late raspberry varieties. Considering climate conditions, population movement was most influenced by precipitation and air temperature.

          Key words: spotted wing drosophila, pome fruit, berries, monitoring, Republic of Srpska