1Department of Zoology and Aquaculture, CCS, Haryana Agricultural University, Hisar-125 004, India.
2Department of Entomology, CCS, Haryana Agricultural University, Hisar-125 004, India.
3Department of Nematology, CCS, Haryana Agricultural University, Hisar-125 004, India.
*E-mail: rgulati@hau.ernet.in