Fig. 1

Distribution of Aedes japonicus japonicus in southern Austria and Slovenia from 9 August to 25 October 2011. The black-and-white overview map shows Austria and its neighbouring countries; the detailed map segment is delineated. Blue circles indicate the first detection sites of Ae. j. japonicus in Slovenia and Austria, respectively; red circles mark further detection sites in Austria and Slovenia; grey circles indicate sampling sites in which Ae. j. japonicus was not detected. The cities of Lavamünd (detection site) and Jennersdorf (absence of the subspecies) are indicated by black arrows. Scale-bar: 50 km