1. Departement of Ecology and Evolution University of Lausanne Lausanne CH‐1015 Switzerland
2. Department of Entomology University of California Riverside California 92521 USA
3. Scitec Research SA Lausanne CH‐1007 Switzerland
4. Department of Biomedical Sciences University of Lausanne Lausanne CH‐1011 Switzerland
5. Department of Biology University of California Riverside California 92521 USA