J.A. Timbilla, B.W. Lawson and K. Yeboah-Gyan
Journal of Applied Sciences 7 ( 4 ): 575 - 579 , 2007
J.A. Timbilla, K. Yeboah-Gyan and B.W. Lawson
Journal of Entomology 5 ( 2 ): 103 - 112 , 2008