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 testacea ( Robineau-Desvoidy, 1830 ) ( Figs 23 , 38–40 ) Material examined. Iran : Markazi : 2♂♂ , Haftad-Qolleh Protected Area , Sibak valley , 34º8’6.5”N 50º10’59.01”E , 1872m , 17.iii–10.vi.2018 , Malaise trap , E. Gilasian & M. Parchami-Araghi ( HMIM ) ; 1♂ , 1♀ , Kaftar-khoon val-ley, wild rhubarbs, 34º6’49”N 50º16’48.6”E , 2203m , 18.iii–11.vi.2018 , Malaise trap , E. Gilasian & M. ParchamiAraghi ( CNC ) ; 1♀ , Chekab valley , 34º7’5.3”N 50º16’25.3”E , 2219 m , 28.v–15.vi.2016 , Malaise trap , E. Gilasian & M. Parchami-Araghi ( CNC ) ; Mazandaran : 2♂♂ , 1♀ , Polur village , 35º50’20.6”N 52º2’49.1”E , 2311m , 18.v.2016 , sweeping on bushes, M. Parchami-Araghi ( CNC ) ; West-Azerbaijan : 1♂ , Rashakan , Research Station for Lake Urmia National Park , 37º20’38.8”N 45º17’37.4”E , 1315m , 26.vi–8.vii.2016 , Malaise trap , M. Parchami-Araghi ( CNC ) . Diagnosis. Coenosia testacea can be separated from the other Iranian species of the genus by the combination of the following characters: antenna black, palpus entirely yellow in male (apically dark in female), legs yellow, tarsi entirely black, scutum with two brown longitudinal stripes, only 1 proepisternal seta, abdomen cylindrical in male, tergites 1–3 yellow and tergites 4–5 dark with paired spots, female abdomen oval, entirely dark with paired spots. FIGURES 26–34. Coenosia species, male sternite 5. and hypopygium, posterior and lateral views. 26–28. C. atra ; 29–31. C. attenuata ; 32–34. C. humilis . FIGURES 35–43. Coenosia species, male sternite 5. and hypopygium, posterior and lateral views. 35–37. C. nigridigita ; 38–40. C. testacea ; 41–43. C. tigrina . Distribution. New to Iran , C. testacea is widely distributed in Europe including Turkey , Armenia , as well as North Africa ( Morocco and Algeria ) and the Middle East ( Syria ) ( Pont 2018 , 1986 , Barták et al . 2004 ).