1. Laboratory of Entomology; Wageningen University; Wageningen The Netherlands
2. Department of the Taxonomy of Entomophagous Insects and Ecological Principles of Biocontrol; Schmalhausen Institute of Zoology; Kiev Ukraine
3. Unité Mixte de Recherche 1349 IGEPP, University of Rennes 1; Rennes France
4. Department of Terrestrial Ecology; Netherlands Institute of Ecology; Wageningen The Netherlands