1. Univ. of Vermont Dept of Biology 109 Carrigan Drive Burlington VT 05405‐0086 USA
2. Dept of Entomology National Museum of Natural History, Smithsonian Inst. NHB‐105, PO Box 37012 Washington DC 20013‐7012 USA
3. Univ. of Puerto Rico at Rio Piedras San Juan PR 00931 USA
4. Evolutionary Zoology Laboratory, Biological Inst. ZRC SAZU Ljubljana Slovenia
5. Centre for Behavioural Ecology and Evolution, College of Life Sciences, Hubei Univ. Wuhan Hubei China