Diversity of Orthopteran insects and their role in Tea Agro-Ecosystem of West Bengal Author Das, Swapan Kumar Zoological Survey of India, M-Block, New Alipore, Kolkata - 700 053, West Bengal, India Email: swapan. zsi @ gmail. com Author Shah, Suresh Kumar Zoological Survey of India, M-Block, New Alipore, Kolkata - 700 053, West Bengal, India Email: swapan. zsi @ gmail. com Author Chakraborty, Rajdip Zoological Survey of India, M-Block, New Alipore, Kolkata - 700 053, West Bengal, India Email: swapan. zsi @ gmail. com Author Das, Apurva Zoological Survey of India, M-Block, New Alipore, Kolkata - 700 053, West Bengal, India Email: swapan. zsi @ gmail. com Author Mitra, Bulganin Department of Zoology, Ramakrishna Mission Vivekananda Centenary College, Rahara, Kolkata - 700118, West Bengal, India text Records of the Zoological Survey of India 2020 120 4 433 444 journal article 10.26515/rzsi/v120/i4/2020/148878 2581-8686 13186569 33. Letana gracilis Ingrisch, 1990a (Plate 1) Material examined : 1 ♂ , Red bank tea garden, 13.xii.2013 . Distribution : India : Assam , Mizoram , and Manipur . Elsewhere: China . Remark : This species is reported first time from the West Bengal .