1 Hyper-diversity Group, Department of Entomology, MRC-187, National Museum of Natural History, Smithsonian Institution, Washington, P.O. Box 37012, DC 20013-7012, USA.
2 Pensoft Publishers, Sofia, Bulgaria ; National Museum of Natural History, Sofia, Bulgaria.
3 Pensoft Publishers, Sofia, Bulgaria.
4 Pensoft Publishers, Sofia, Bulgaria ; Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, Bulgaria.