India?s important oil seed crop mustard contributes significantly to edible oil production. Athalia lugens proxima (Klug) or mustard sawfly is one of the major defoliating pests causing considered damage in the early stages of crop growth. Larval feeding causes leaf skeletonisation, reduce plant vigour and yield loss. Severe infestations may have adverse effect on seed yield and oil content. This article reviews the distribution, identification, damage symptoms and distribution and integrated pest management strategies of mustard sawfly. Integrated use of cultural, mechanical biological and need based chemical control measures is effective in pest management and sustainable mustard production.