Eumerus tadzhikorum Stackelberg, 1949

Gilasian, Ebrahim, Steenis, Jeroen van & Parchami-Araghi, Mehrdad, 2020, Review of the Eumerus tricolor species group (Diptera: Syrphidae) in Iran, with description of six new species, European Journal of Taxonomy 722, pp. 106-152 : 140

Eumerus tadzhikorum Stackelberg, 1949

Figs 4G , 7G , 17 E–F

Diagnosis

Eyes pilose, widely spaced in males ( Fig. 17 E–F); face white pilose; basoflagellomere brownish-black; scutum and scutellum shiny metallic ( Fig. 4G ); scutum without median pollinose vittae and covered with long brownish pile ( Fig. 7G ); legs predominantly black, basal third of pro- and mesotibia, basal half of metatibia and apical half of metafemur orange; metaleg extremely long and slender; wing infuscated ( Fig. 4G ); abdominal terga II–IV predominantly reddish-orange ( Fig. 7G ).

Material examined

Lectotype

TADJIKISTAN • ♂; “Eiddy: S. skl. Gis- / sarask. chr., Tadj. / Stackelberg 16.VI.44 // Eumerus typ. ’46 / tadzhikorum sp.n. / Stackleberg det. // Holotypus ’49 / Eumerus / tadzhikorum Stack. [red label] // Lectotypus Eumerus /Fhissar tadzhikorum Stack / design. V. Richter [red label]”; ZISP.

Other material

KAZAKHSTAN • 1 ♂; “ Zapov. Aksu- / Jabagly / 24.V.1966 / L. Zimina ”; ZMSU .

IRAN • 1 ♂; “ IRAN: Golestan prov., / P.M. Golestan, Almeh ,/ 1700 m, 25.vii.2001 / E. Gilasian, M. Moghadam & R. Ghayourfar // Eumerus tadzhikorum / Stackelberg, 1949 ”; HMIM • 1 ♂; “ IRAN: Khorasan prov., Ghoochan / Emamgholi, Chovinli / 37°25′44.1″N, 058°31′57.3″E, / 1746 m.; 30.v.2006 / E. Gilasian // Eumerus tadzhikorum / Stackelberg, 1949 ”; HMIM • 10 ♂♂, 30 ♀♀; “ 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 tadzhikorum / Stackelberg, 1949 ”; HMIM • 3 ♂♂, 3 ♀♀; same collection data as for preceding; JSA .

Distribution

Central Asia, Iran (Kordestan, Golestan, Khorasan and Markazi provinces) ( Peck 1988; Barkalov & Gharali 2004; Gilasian & Barkalov 2004; Kamangar et al. 2004).

Figures

Fig. 4. Adult habitus, ♂, dorsal view. A. Eumerus sp., Khash, Iran (HMIM). B. E. hissaricus Stackelberg, 1949, Ghoochan, Iran (HMIM). C. E. ovoformus Gilasian & van Steenis sp. nov., holotype (HMIM). D. E. persarum Stackelberg, 1961, Yazd, Iran (JSA). E. E. pilosipedes Gilasian & van Steenis sp. nov., holotype (HMIM). F. E. richteri Stackelberg, 1960, Lar, Iran (HMIM). G. E. tadzhikorum Stackelberg, 1949, Chekab Valley, Iran (JSA). H. E. vallicolus Gilasian & van Steenis sp. nov., holotype (HMIM). Scale bars = 1.0 mm.

Fig. 7.Adult habitus, ♂, lateral view. A. Eumerus sp., Khash, Iran (HMIM). B. E. hissaricus Stackelberg, 1949, Ghoochan, Iran (HMIM). C. E. ovoformus Gilasian & van Steenis sp. nov., holotype (HMIM). D. E. persarum Stackelberg, 1961, Yazd, Iran (JSA). E. E. pilosipedes Gilasian & van Steenis sp. nov., holotype (HMIM). F. E. richteri Stackelberg, 1960, Lar, Iran (HMIM). G. E. tadzhikorum Stackelberg, 1949, Chekab Valley, Iran (JSA). H. E. vallicolous Gilasian & van Steenis sp. nov., holotype (HMIM). Scale bars = 1.0 mm.

Fig. 17. Head, ♂, dorsal view (A, C, E, G) and lateral view (B, D, F, H). A–B. Eumerus pilosipedes Gilasian & van Steenis sp. nov., holotype (HMIM). C–D. E. richteri Stackelberg, 1960, Lar, Iran (HMIM). E–F. E. tadzhikorum Stackelberg, 1949, Chekab Valley, Iran (JSA). G–H. E. vallicolous Gilasian & van Steenis sp. nov., holotype (HMIM). Scale bars = 0.5 mm.