Eristalis pertinax ( Scopoli, 1763 )

Gilasian, Ebrahim, Vujić, Ante, Hauser, Martin & Parchami-Araghi, Mehrdad, 2017, New data on the Syrphidae (Diptera) of Iran, with descriptions of two new species, Zootaxa 4303 (1), pp. 27-50 : 43

Eristalis pertinax ( Scopoli, 1763)

Fig. 2

Examined material. IRAN, Mazandaran province: 2 ♂ and 2 ♀, Ramsar, Eshkatechal , 36°51′N 50°28′E, 1200 m, 27.vii.2005, leg. E. Gilasian.

Remarks. This species is distinguished from other Eristalis species by the following combination of characters: bee-like overall appearance; eye uniformly pilose; face shiny black medially, facial black vitta less than 1/3 as wide as face; antenna brownish-black; arista pile more than 3 times longer than its basal diameter; ground colour of thorax visibly seen through thin pilosity; katepimeron bare; apical 1/3–1/2 of fore and hind tibiae black; fore and mid tarsi entirely yellowish orange; male genitalia as in Hippa et al. (2001: figure 19). This species is widespread in Europe and Transcaucasia ( Peck 1988; Speight 2016).

Figures

FIGURES 1 – 4. Distribution of the examined material of the collected hoverfly species in Iran. 1: ■, Pocota hyrcanica Gilasian & Hauser sp. nov.; ●, Sphiximorpha ziegleri Gilasian & Vujić sp. nov. 2: ■, Barchypalpus valgus (Panzer); ●, Cheilosia vicina (Zetterstedt); ▲, Criorhina ranunculi (Panzer); ♦, Eristalis alpina (Panzer); ♣, Eristalis pertinax (Scopoli). 3: ■, Merodon brevis Paramonov; ●, Merodon quadrinotatus (Sack); ▲, Merodon serrulatus Wiedemann; ♦, Merodon schachti Hurkmans; ♣, Merodon vandergooti Hurkmans; ♠, Merodon velox Loew. 4: ■, Neoascia annexa (Müller); ●, Palumbia eristaloides (Portschinsky); ▲, Pseudodoros nigricollis Becker.