The Sex Pheromone of the Wasp Spider Argiope bruennichi

Wasp spider looking for a mate: Female wasp spiders (see picture) use trimethyl methylcitrate as a volatile cue to attract males. The experiments were performed on a sunny meadow, showing for the first time that spider traps can be used to trap spiders in the field (photo: Helen Sandford). Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.