Review of the Eumerus tricolor species group (Diptera: Syrphidae) in Iran, with description of six new species Author Gilasian, Ebrahim A45912ED-BEEB-4733-AC6E-C22ACAFD6F63 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;gilasian@iripp.ir Author Steenis, Jeroen van C7F0D01C-B182-4B93-AF73-E4154367B535 Research Associate NBC-Naturalis, Leiden. % Hof der Toekomst 48, 3823 HX Amersfoort, The Netherlands. jvansteenis@syrphidaeintrees.com Author Parchami-Araghi, Mehrdad 2F788927-E377-471A-B658-9E86A41FC9CA Insect Taxonomy Research Department, Iranian Research Institute of Plant Protection (IRIPP), Agricultural Research, Education and Extension Organization (AREEO), Tehran, 19395 - 1454, Iran. maraghi20@yahoo.ca text European Journal of Taxonomy 2020 2020-11-02 722 106 152 journal article 10.5852/ejt.2020.722.1139 4239287 90B3B475-49D9-4869-8F5F-A788DB880356 Eumerus jacobsoni Becker, 1913 Figs 3F , 6F , 15 C–D Diagnosis Eyes bare, males holoptic with long eye contiguity ( Fig. 15 C–D); face white pilose; antennae yellowishorange; scutum and scutellum strongly pollinose, with very short yellowish pile and with 4 longitudinal blackish vittae ( Fig. 3F ); legs predominantly orange ( Fig. 6F ); metafemur strongly enlarged; abdomen predominantly yellowish-orange. Material examined Syntype IRAN • ♂; “P. Beluchist / 10–13.V / 1901 // Eumerus / jacobsoni B. / Det Becker // Syntypus Eumerus / jacobsoni / Becker, 1913 [red label]”; ZISP . Other material IRAN • 40 ♂♂ , 62 ♀♀ ; “ IRAN : Markazi prov. , Haftad / Qolleh Protected Area , / Chekab Valley , 2219 m , / 34°07′0.5″N , 050°16′25.3″E , / Malaise trap , 30 May–3 June / 2017 , E. Gilasian & M. / Parchami-Araghi // Eumerus jacobsoni / Becker, 1913 ”; HMIM • 5 ♂♂ , 5 ♀♀ ; same collection data as for preceding; JSA • 1 ♀ ; “Sistan & Balouchestan/ Khash, S. W. Taftan , / 3.vi.1996 / H. Mirzayans, H. Borumand & A. Faghih // Eumerus jacobsoni / Becker, 1913 ”; HMIM . Distribution Afghanistan , Central Asia, Iran (Sistan & Balouchestan prov., Kuh-e Taftan; Markazi prov. ; Kerman prov. ) ( Peck 1988 ).