Eumerus falsus Becker, 1922

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 : 122-124

Eumerus falsus Becker, 1922

Figs 3C , 6C , 13 E–F

Eumerus rubriventris Becker, 1921: 67 (junior primary homonym of Eumerus rubriventris Macquart, 1829 )

Eumerus latifrons Sack, 1932: 403 .

Eumerus zarudnyi Stackelberg, 1949: 431 .

Eumerus rufiventris Van Der Goot, 1964: 218 .

Diagnosis

Eyes pilose ( Fig. 13 E–F), widely spaced, distance between eyes more than width of ocellar triangle ( Fig. 13E ); scutum and scutellum shiny metallic, weakly pollinose ( Fig. 3C ); scutum pilose with two bare longitudinal areas posteromedially; scutellum strongly arched basally in lateral view, more than half as high as long; legs predominantly black, tarsi and basal half of tibiae orange ( Fig. 6C ); metafemur slightly enlarged; metatarsus without dense thick black pile fringe; wing hyaline, almost entirely covered with microtrichia; abdominal terga II–III orange laterally.

Material examined

Holotype ISRAEL • ♀; “Carmel / 45576 IV // Typus [red label] // rubriventris / Becker // Eumerus falsus / Beck. / Stackelberg det. ‘[19]59 // Zool. Mus. / Berlin // Holotype ♀ / Eumerus rubriventris / Becker, 1921 / det J. van Steenis, 2016 [red label]”; ZMHB.

Other material

IRAN • 1 ♂; “IRAN: Markazi prov., Haftad / Gholleh Protected Area, / Chekab Valley , 2219m, / 34°07′05.3″N, 050°16′25.3″E, / 28.V–15.VI.2016, Malaise trap / near pool, E. Gilasian & M. / PargamiAraghi”; HMIM .

Distribution

Central Asia, Iran (Lorestan prov., Alishtar; Markazi prov.), Israel, Transcaucasia, Turkey ( Stackelberg 1949; 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. 13. Head, ♂, dorsal view (A, C, E, G, I) and lateral view (B, D, F, H). A–B. Eumerus atricolorus Gilasian & van Steenis sp. nov., holotype (HMIM). C–D. E. brevipilosus Gilasian & van Steenis sp. nov., holotype (HMIM). E–F. E. falsus Becker, 1922, Chekab Valley, Iran (HMIM). G–H. E. chekabicus Gilasian & van Steenis sp. nov., holotype (HMIM). I. E. tricolor (Fabricius, 1798), Paleochori, Greece (JSA). Scale bars = 0.5 mm.