1. a Department of Entomology , Rajendra Agricultural University , Pusa (Samastipur) , 848 125 , India
2. b Department of Entomology , National Museum of Natural History , PO Box 37012, CE607, MRC169, Washington , DC , 20013-7012 , USA
3. c Postdocoral Fellow of Research Abroad, Japan Society for the Promotion of Science , Japan