Eumerus jacobsoni Becker, 1913

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 : 125

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).

Figures

Fig. 3. Adult habitus, ♂, dorsal view. A. Eumerus atricolorus Gilasian & van Steenis sp. nov., holotype (HMIM). B. E. brevipilosus Gilasian & van Steenis sp. nov., holotype (HMIM). C. E. falsus Becker, 1922, Chekab Valley, Iran (HMIM). D. E. chekabicus Gilasian & van Steenis sp. nov., holotype (HMIM). E. E. coeruleus (Becker, 1913), Chekab Valley, Iran (JSA). F. E. jacobsoni Becker, 1913, Chekab Valley, Iran (JSA). G. E. kazanovzkyae Paramonov, 1927, abdomen, Paveh, Iran (HMIM). H. E. longitarsis Peck, 1979, Chekab Valley, Iran (JSA). Scale bars = 1.0 mm.

Fig. 6. Adult habitus, ♂, lateral view. A. Eumerus atricolorus Gilasian & van Steenis sp. nov., holotype (HMIM). B. E. brevipilosus Gilasian & van Steenis sp. nov., holotype (HMIM). C. E. falsus Becker, 1922, Chekab Valley, Iran (HMIM). D. E. chekabicus Gilasian & van Steenis sp. nov., holotype (HMIM). E. E. coeruleus (Becker, 1913), Chekab Valley, Iran (JSA). F. E. jacobsoni Becker, 1913, Chekab Valley, Iran (JSA). G. E. kazanovzkyae Paramonov, 1927, Paveh, Iran (HMIM). H. E. longitarsis Peck, 1979, Chekab Valley, Iran (JSA). Scale bars = 1.0 mm.

Fig. 15. Head, ♂, dorsal view (A, C, E, G) and lateral view (B, D, F, H). A–B. Eumerus coeruleus (Becker, 1913), Chekab Valley, Iran (JSA). C–D. E. jacobsoni Becker, 1913, Chekab Valley, Iran (JSA). E–F. E. kazanovzkyae Paramonov, 1927, Paveh, Iran (HMIM). G–H. E. longitarsis Peck, 1979, Chekab Valley, Iran (JSA). Scale bars = 0.5 mm.