Eumerus turanicus Stackelberg, 1952

Smit, John, Zeegers, Theo & Dorji, Phurpa, 2020, A new species of Eumerus (Diptera, Syrphidae) from the Kingdom of Bhutan, the easternmost representative of the bactrianus subgroup, ZooKeys 906, pp. 141-151 : 141

Eumerus turanicus Stackelberg, 1952

Diagnosis.

(based on Stackelberg 1952). Body bronze-green. Legs dark bronze green, tip of the femora, basal half as well as the tips of the tibia and tarsi reddish yellow. Metaleg with basotarsomere not expanded nor shortened, longer than second and third segment combined. Basoflagellomere oval-shaped (Fig. 2I ). s4 figured in Stackelberg (1952, 1961), gradually narrowing, with an incision posteriomedially, with two rounded, densely pilose angles at the apex of s4, with two rounded, spatulate lobes on both sides of the incision. Male terminalia figured in Stackelberg (1952, 1961), with dense pilosity on the main branch of the posterior surstyle lobe, cerci with distinct thorn-like projections.

An identification key to the males of the Central and Eastern Palaearctic species of the Eumerus bactrianus subgroup

Figures

Figure 2. Eumerus druk Smit, sp. nov., male holotype A epandrium, lateral view B surstyle lobe, ventral view C hypandium, lateral view D hypandrium, ventral view E fourth sternum. Eumerus bactrianus Stackelberg, 1952, male F antenna, lateral view. Eumerus druk sp. nov. G antenna, lateral view. Eumerus turanicola Stackelberg, 1952, male H antenna, lateral view, after (Stackelberg 1952). Eumerus turanicus Stackelberg, 1952, male I antenna, lateral view, after (Stackelberg 1952).