A new species of genus Trilocha Moore, [1860] from Great Nicobar Island, India (Lepidoptera, Bombycoidea, Bombycidae) Author Singh, Navneet Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, WB, India. & nsgill 007 @ gmail. com; https: // orcid. org / 0000 - 0002 - 6657 - 7983 nsgill007@gmail.com Author Ahmad, Jalil 0000-0001-7719-864X Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, WB, India. & jalilahmad 23046 @ gmail. com; https: // orcid. org / 0000 - 0001 - 7719 - 864 X jalilahmad23046@gmail.com Author Chandra, Kailash Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, WB, India. & kailash 611 @ rediffmail. com; https: // orcid. org / 0000 - 0001 - 9076 - 5442 kailash611@rediffmail.com text Zootaxa 2021 2021-05-17 4970 3 586 592 journal article 6268 10.11646/zootaxa.4970.3.10 43f9010f-17d7-41d4-9312-2c27532e927f 1175-5326 4766668 40C20B9B-78B9-472D-94D8-CA8330ED1DA2 Taxonomic Key to the known species of genus Trilocha 1. Eighth sternite having two prominent processes at posterior margin....................................... T. friedeli - Eighth sternite without any process at posterior margin....................................................... 2 2. Eighth sternite with shallow and squarish posterior depression........................................... T. myodes - Eighth sternite with deep v or u shaped posterior depression................................................... 3 3. Forewing with postmedial zigzag line single................................................. T. nicobari , sp. nov. - Forewing postmedial zigzag line double............................................................ T. varians