The genus Coenosia Meigen in Iran, with a key to species and description of a new species (Diptera: Muscidae) Author Parchami-Araghi, Mehrdad Insect Taxonomy Research Department, Iranian Research Institute of Plant Protection (IRIPP), Agricultural Research, Education and Extension Organization (AREEO), Tehran 19395 - 1454, Iran. & Canadian National Collection of Insects, Arachnids and Nematodes, Agriculture and Agri-Food Canada, 960 Carling Avenue, K. W. Neatby Building, Ottawa, ON, K 1 A 0 C 6, Canada. Author Pont, Adrian C. Oxford University Museum of Natural History, Parks Road, Oxford, OX 1 3 PW, UK. muscidman 2 @ gmail. com Author Gilasian, Ebrahim Insect Taxonomy Research Department, Iranian Research Institute of Plant Protection (IRIPP), Agricultural Research, Education and Extension Organization (AREEO), Tehran 19395 - 1454, Iran. & ebrahimgilasian @ gmail. com text Zootaxa 2020 2020-11-11 4877 3 559 574 journal article 7949 10.11646/zootaxa.4877.3.8 95a757b3-6441-470f-821d-3dbaec156578 1175-5326 4424383 895A0F70-0F33-4627-9D23-5E1FE1346420 Coenosia atra Meigen, 1830 ( Figs 20 , 26–28 ) Material examined. Iran : Markazi : 2♂♂ , 2♀♀ , Haftad-Qolleh Protected Area , Chekab valley , 34º7’5.3”N 50º16’25.3”E , 2219m , 28.v–15.vi.2016 , Malaise trap , near pool, E. Gilasian & M. Parchami-Araghi ( 1♂ CNC , 1♂ , 2♀♀ HMIM ) Diagnosis. The species C. atra is easily distinguished within the genus by its unique shining black appearance. Distribution. It occurs widely in the West Palaearctic, including the Middle East, Armenia , Turkey , and Iran ( Pont 2018 , 1986 ). Previously recorded from Iran by Stein ( in Becker 1913 ).