Two new species of the genus Cheiroseius Berlese, 1916 (Ascidae: Mesostigmata) from the Indian Thar Desert Author Bhattacharyya, Asit K. Author Bhattacharyya, Sisir K. text Zootaxa 2004 2004-01-12 403 1 1 11 https://biotaxa.org/Zootaxa/article/view/zootaxa.403.1.1 journal article 4909 10.11646/zootaxa.403.1.1 35b75c67-816f-44fa-9aa8-db362300cd3f 1175­5334 5027758 CCE71D12-DDB5-44E0-82EC-D8F7AAC0B305 Genus Cheiroseius Berlese 1843. Sejus Koch, Ubersich des Arachnidensystems, Heft 3 : 92. 1916. Cheiroseius Berlese , Redia , 12 : 33, 40. 1918. Episeius Hull, Transactions of the Natural History Society of Northumberland , Durham and Newcastle­upon­Tyne , 5 : 63. 1938. Episiella Willmann, Annales Historiconaturales Musei Nationalis Hungarci, Zoologie, 31 : 167. 1960. Sejus , Evans & Hyatt , Bulletin of the British Museum (Natural History) Zoology , 6 : 27, 49. 1971. Sejus , Karg, Die Tierwelt Deutschlands , 59 : 253. 1981. Cheiroseius (Posttrematus) Karg, Zoologische Jahrbuscher Systematik, 108 : 51. Type­species : Sejus unguiculatus Berlese, 1887 Distribution of genus : INDIA : Rajasthan , Sikkim , West Bengal . ELSEWHERE: Argentina, Australia, China, Cuba, Galapagos Island, Germany, Jamaica, Japan, Nepal, South Africa, U.K. , U.S.A. Key to the Indian species of the genus Cheiroseius 1. Setae J5 serrated ........................................................................... rajasthanicus sp. nov. ­ Setae J5 simple ............................................................................................................. 2 2. Sternal shield with semicircular marking anteriorly .................................................... 3 ­ Sternal shield without any such marking ..................................................................... 4 3. Ventri­anal shield broadly triangular, with 9 setae ............................................. curtipes ­ Ventri­anal shield broadly oval, with 7 setae ......................................... ovalis sp. nov. 4. Vertex well­developed; some dorsal setae borne on raised tubercles ................ indicus ­ Vertex not well­developed; all dorsal setae borne on raised tubercles .......... nepalensis