The insect is considered as a pest mainly based on the damage or loss it causes to the crop. Depending upon this, the plant protection measures have to be tailored for getting higher economic returns. So assessment of crop loss due to insect pest becomes essential for any planned crop protection programme against a particular pest in a particular crop. Differential number of leaf webber and capsule borer (Antigastra catalaunalis) larvae starting from 0.00 to 6 per plant was artificially released on to caged plants for calculating economic injury level of Antigastra catalaunalis. The...