Impact of Harmonia axyridis on European ladybirds: which species are most at risk?

1 CABI Europe-Switzerland, Rue des Grillons 2, 2800 Delemont, Switzerland;. 2 Research Institute for Nature and Forest, Kliniekstraat 25, B-1070 Brussels; 3 Department of Life Sciences, Anglia Ruskin University, East Road, Cambridge, CB1 1PT, UK; 4 Catholic University of Louvain-la-Neuve, Ecology and Biogeography Unit, Croix du Sud, 4-5 (Carnoy), B-1348 Louvain-la-Neuve; 5 Department of Genetics, University of Cambridge, Downing Street, Cambridge, CB2 3EH, UK Corresponding author: m.kenis@cabi.org