In gram, circular bore holes on pods plugged by the head of a larva is related with

In gram, circular bore holes on pods plugged by the head of a larva are related to Gram pod borer.
The caterpillars feed on buds, flowers, grains, fruits, pods; sometimes leaves and stems. In grams, they attack foliage and consume developing seeds.
The greatest damage is caused to cotton, tomatoes, maize, chick peas, alfalfa and tobacco.