Figure 1.

Distribution areas of Ae. j. japonicus in central Europe. a: Overview map: area encircled red: distribution areas in South Germany according to Becker et al. [10] and Schneider [11]; area encircled green: distribution area in northern Switzerland according to Schaffner et al. [9]; blue dots: local occurrence in Belgium according to Versteirt et al. [8]. ▲: Own unpublished accidental findings of Ae. j. japonicus outside the previously described German distribution area. Box: see Figure 1b. b: Detailed map with collection sites of this study. ✱: Places of residence of Ae. j. japonicus senders, ●: cemeteries positive for Ae. j. japonicus, ○: cemeteries negative for Ae. j. japonicus, ■: rain water barrel positive for Ae. j. japonicus