Department of Ecology and Environmental Science, Assam University, Silchar-788 011, Assam, India
*Corresponding author's Present address: Ecology and Biodiversity Laboratories, Tripura University, Department of Zoology, Suryamaninagar799 022, Tripura, India, E-mail: bhattacharjee.pp1977@gmail.com
Online published on 24 July, 2012.
Cost-benefit-analysis of various treatments revealed that the application of cypermethrin (0.003%) was the most economically viable treatment by recording the highest cost benefit ratio (CBR) of 1: 3.63 followed by fenvalarate (0.003%) (CBR = 1: 3.11).
Rice hispa, Cachar, bioefficacy, cost-benefit ratio