1. Institute of Biology; Scientific Research Centre; Slovenian Academy of Sciences and Arts; Novi trg 2 P. O. Box 306 SI-1001 Ljubljana Slovenia
2. Integrated Bioscience Program; Department of Biology; University of Akron; Akron OH 44325-3908 USA
3. Department of Biology; University of Vermont; Burlington VT USA
4. Department of Entomology; National Museum of Natural History; Smithsonian Institution; Washington, DC USA
5. Centre for Behavioural Ecology and Evolution; College of Life Sciences; Hubei University; Wuhan Hubei China