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 tigrina ( Fabricius, 1775 ) ( Figs 25 , 41–43 ) Material examined. Iran : Ardabil : 1♀ , Moghan , Pars-abad , Agricultural and Natural Resources Research Center , 71m , 39°36’54.92”N 47°48’51.87”E , 10.iii.2015 - 4.vi.2016 , Malaise trap , N. Golmohamadzadeh-Khiaban ( HMIM ) ; Markazi : 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 ( HMIM ) ; Zanjan : 1♀ , 45km towards Ab-bar , 1806m , 36°47’15.1”N 48°51’59.3”E , 9.vii.2007 , sweeping edge of waterhole contaminated with cow dung, M. ParchamiAraghi ( HMIM ) . Diagnosis. Coenosia tigrina is identified by the presence of a median anterodorsal and a true anterior seta on hind tibia as well as its distinct broad parafacial. Distribution. It is a Holarctic species that has been recorded from Europe, North Africa, Middle Asia and Middle East, including Armenia , Azerbaijan , Turkey , and Iran ( Pont 2018 , 1986 , Gregor et al . 2016 ). Remarks. Like C. attenuata , the adults of C. tigrina significantly reduce the population of greenhouse pests ( Perron et al. 1956 , Hobby 1931 ) and also attack the larvae of the onion maggot fly, Delia antiqua ( Meigen, 1826 ) ( LeRoux & Perron 1960 , Perron & LaFrance 1952 ). Larvae of C. tigrina have been observed to feed on the lumbricid earthworm Eisenia rosea (Savigny, 1826) by penetrating the epidermis of their hosts ( Morris & Pivnick 1991 , Morris & Cloutier 1987 , Yahnke & George 1972 ).