View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Online-Publikations-Server der Universität Würzburg Postprint version. Original publication in: Entomologia Experimentalis et Applicata 132: 134–146, 2009 Effect of vegetation density, height, and connectivity on the oviposition pattern of the leaf beetle Galeruca tanaceti Barbara Randlkofer1, Florian Jordan1, Oliver Mitesser2, Torsten Meiners1 & 3,* Elisabeth Obermaier 1Department of Applied Zoology ⁄ Animal Ecology, Freie Universität Berlin, Haderslebener Str. 9, D-12163 Berlin, Germany, 2Field Station of the University ofWürzburg, Glashüttenstr. 5, D-96181 Rauhenebrach, Germany, and 3Department of Animal Ecology and Tropical Biology, Biozentrum, University of Würzburg, Am Hubland, D-97074 Würzburg, Germany *Correspondence: Elisabeth Obermaier, Department of Animal Ecology and Tropical Biology, University of Würzburg, Biozentrum, Am Hubland, D-97074 Würzburg, Germany. E-mail:
[email protected] Abstract Vegetation structure can profoundly influence patterns of abundance, distribution, and reproduction of herbivorous insects and their susceptibility to natural enemies. The three main structural traits of herbaceous vegetation are density, height, and connectivity. This study determined the herbivore response to each of these three parameters by analysing oviposition patterns in the field and studying the underlying mechanisms in laboratory bioassays. The generalist leaf beetle, Galeruca tanaceti L. (Coleoptera: Chrysomelidae),