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Fig. 1. The locations of the nun moth trapping sites in 2018 and 2019. Trapping in the 2019 locations is planned to be repeated in the future surveys.

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Fig. 2. The type of pheromone trap used in the survey installed on a Scots pine. The nun moths are trapped in the lower container part of the trap (the zoomed image). In the image, the typical black-white colouring has been lost from the wings of the densely packed moths.

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Fig. 3. Results from the 2019 nun moth survey. Image on the left shows the trap locations symbolized by catch size (moths per trap per season). The image on the right shows an interpolated surface based on the results of the left-hand side image. The two sites in east and west with the highest catches are marked with black-white spheres on the left-hand side image.