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 24. Polionemobius taprobanensis Walker, 1869 Material examined : 1 ♀ , Diana tea estate, 22.vi.2014 ; 1 ♀ , Nagrakata TRA, 14.vii.2013 . Distribution : India : Andaman and Nicobar Islands , Arunachal Pradesh , Assam , Bihar , Chandigarh , Chhattisgarh , Delhi , Himachal Pradesh , Kamataka, Madhya Pradesh , Maharashtra , Manipur , Meghalaya , Orissa , Rajasthan , Tamil Nadu , Tripura , Uttarakhand , Uttar Pradesh and West Bengal . Elsewhere: Bangladesh , China , Indonesia , Malaysia , Malacca , Myanmar , Perak, Sri Lanka , Sumatra and Vietnam .