author(s)
Pushpendra Singh Sahu, Hadi Husain Khan, Dilip Shriram Ghongade and Huma Naz

abstract
The sawfly is one of the most important pests of mustard and other cruciferous plants, causes qualitative and quantitative loses of the crop. The mustard sawfly, Athalia lugens (Hymenoptera: Tenthredinidae) is a polyphagous insect and is considered as devastating pest of vegetables in India. Native: - Southern Mexico and Central America where it feeds on the foliage of Cocoloba spp. The life history and habits of tropical sawfly, Athalia lugens were reported on Roatan Islands. On Roatan Island, the only host is the sea grape, C. unifera, a small to medium tree, which occurs on sandy beaches just above the line. The adults are colorful insects and relatively strong fliers. Management of sawfly like summer ploughing to destroy the pupae, maintain clean cultivation and early sowing should be done.