1 Department of Entomology, Kansas State University, Manhattan, KS 66502, USA. hgstr@ksu.edu.
2 Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Phytokou str., Nea Ionia, 38446 Magnissia, Greece. athanassiou@uth.gr.