een12096-sup-0001-FigureS1.docxWord 2007 document1532KFigure S1 The Plexiglas cages (35 cm long ×  35 cm wide ×  90 cm high) that was used for the experiments in the greenhouse in order to prevent the escape of aphids. To facilitate air ventilation, the front of the cages was covered by a fine mesh.
een12096-sup-0002-FigureS2.docWord document1544KFigure S2 Tansy pots inside the Plexiglas cages. For the greenhouse experiments, four potted tansy plants were placed inside each cage in the corners of an imaginary square of about 25 cm at the same distance from each other.
een12096-sup-0003-FigureS3.tifTIFF image6584KFigure S3 Final design of the inside of the cages for the experiments.

Please note: Neither the Editors nor Wiley Blackwell are responsible for the content or functionality of any supporting materials supplied by the authors. Any queries (other than missing material) should be directed to the corresponding author for the article.