MATERIALS AND METHODS
The experiment was conducted at the laboratory of the Department of Entomology, Hajee Mohammad Danesh
Science and Techonolgy University (HSTU), Dinajpur, during the period of January to April 2007. All the
experiment were completed at 21.020
C ± 4.50
C (Room temperature) and 66.05 ± 0.95 % RH