taxonID	type	description	language	source
646681632FCA57A258298C021B6A3C31.taxon	diagnosis	Diagnosis. Eyes densely whitish, pilose. Basoflagellomere relatively small, only about twice size of pedicel, oval to squarish in shape, with only a few short radial wrinkles. Male eyes holoptic or narrowly dichoptic. Abdomen short and stout (Fig. 4 C). Posterior lobe of surstylus simple, well developed.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
9463E6E4E75298DB1B584DFA5DA6815C.taxon	materials_examined	Material examined. Holotype ♂ Eumerus maculipennis Becker, 1921: " Transkaspien / 57442 ", " maculipennis / Beck / det Becker ", " Holotypus " [red label], " Zool. Mus. / Berlin ", " Holotype ♂ / Eumerus maculipennis / Becker, 1921 / det. J. van Steenis, 2016, (ZMHU).	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
9463E6E4E75298DB1B584DFA5DA6815C.taxon	diagnosis	Diagnosis. Male eyes separated by width of ocellus. Face black, covered in whitish pilosity with few black pilosities above antennae (Fig. 2 A). Antenna brown-red and slightly higher than long (Fig. 2 B). Wing with a dark spot (Fig. 1 B). Metafemur with row of about 7 rather long black setae, which are about 1 / 2 as long as width of metafemur. Abdomen partly red (Fig. 1 A). This species is similar to E. tadzhikorum but differentiated by the shape and color of the basoflagellomere.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
4F4486AAEF4233B8E8745DBE568ABFE1.taxon	diagnosis	Diagnosis. Male. Ocellar triangle isosceles. Basoflagellomere blackish, small, rounded, with one or two short radial wrinkles. Constriction of elongated metafemur located in posterior half (Fig. 4 E). Greatest width of metafemur is approximately equal to one fifth of length of metafemur. Metatibia noticeably shorter than metafemur. Abdomen black, without red markings. Ventral margin of hypandrium with medial triangular protuberance (Fig. 5 D: vp). Anterior lobe of surstylus with a single pilose row (Fig. 5 A).	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
4F4486AAEF4233B8E8745DBE568ABFE1.taxon	description	Description. Male. Body length (excluding antenna): 11.5 mm; wing length: 7 mm. Head. Eyes separated by the width of an ocellus and covered in dense white pilosity. Eye margins in anterior view almost parallel, slightly broadening ventrally. Face completely black pilose, covered in silver pollinosity, most expressed in middle. Frons, vertical triangle and occiput black; silver pollinosity well expressed along eye margin on frons, on vertex anteriorly and dorsally on occiput behind eye margin, but most distinctive laterally. Ocellar triangle isosceles and predominantly black pilose, becoming intermixed with white pile in front of ocellar triangle and turning predominantly white behind it. Distance from anterior to posterior ocellus same as distance from latter one to upper eye corner. Lower facial margin in lateral view not protruding. Scape and pedicel brown to black. Basoflagellomere dark brown, rounded and slightly longer than broad with one or two short radial wrinkles. Ventral pile of pedicel black, not longer than its depth. Thorax. Scutum and scutellum densely punctate, shiny, with a bluish tinge; covered in long dense white pilosity. Two vittae of white pollinosity on scutum faint and thin, hardly reaching base of wings. Pleurae black. Anepisternum entirely white pilose, except for some black pile just behind the anterior spiracle. Anepimeron white pilose with some black pile posteriorly. Katepisternum and katepimeron black pilose. Wing. Hyaline with pterostigma about same color as the wing. Vein R 4 + 5 slightly curved. Wing covered in microtrichia except for basal cells mostly bare. Costal setae black. Halter blackish. Legs. Metaleg slender with all segments very elongated (Fig. 4 E). Femora black, yellowish posteriorly, covered in black pilosity. Pro- and mesofemur black with yellowish tips; metafemur black, turning lighter in apical third, becoming orange at apex; slightly thickened in basal half; with a few scattered black setae in apical half. Tibiae white pilose. Pro- and mesotibia mostly black, yellowish in basal third and with yellowish apices; metatibia in basal half yellowish, apical half black turning lighter towards apex. Metatibia slightly thickened apically and slightly curved in apical half (curvature being species-specific in all three species with black abdomen). Tarsi brown to black; basitarsus of metaleg lighter ventrally; metatarsus longer than tibia (Fig. 4 E). Abdomen. Black, punctate, pilose, tapered (Fig. 3 A). Terga 2 - 3 with pairs of wide white pollinose maculae, slightly obscured towards medial part of terga; tergum 4 with pair of white pollinose maculae with apices upwards. Tergum 2 with long white pile laterally; pilosity adpressed, in area of pollinose maculae white, black on rest of terga. Punctation is visible through pollinose maculae. Genital capsule covered in erect black pilosity. Sterna entirely black pilose; sternum 4 flat with longer pilosity apico-laterally (Fig. 5 G). Terminalia. (Fig. 5 A, B, D). Posterior surstyle lobe simple, beak-like in lateral view, with long strong setae laterally on outer surface (Fig. 5 A: ps); in ventral view, outer margin convex, pilose (Fig. 5 B: om). Cerci oval, slightly pointed apico-dorsal, uniformly pilose (Fig. 5 A: c). Interior accessory lobe of surstyle lobe densely pilose (5 B: in). Hypandrium curved, broad with folded thecal ridge near base; medially with triangular protuberance on ventral margin (Fig. 5 D: vp), and wide notch dorsally near base. Female. Body length (excluding antennae): 11.5 mm; wing length: 7 mm. Similar to male except normal sexual dimorphism and for following differences: Head. Entirely white pilose. Basoflagellomere oval, with three to four radial wrinkles. Width of frons in narrower part is less than one fourth of width of head in anterior view. Thorax. White pollinose vittae obscured. Pleurae white pilose. Segments of metaleg only slightly elongated. Abdomen. Tergum 4 with longer white pile posteriorly. All sterna white pilose.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
4F4486AAEF4233B8E8745DBE568ABFE1.taxon	etymology	Etymology. The specific epithet is the Latin word grallator meaning " one who walks on stilts ", which refers to the very slender and elongated legs of this species. It should be treated as a noun in apposition.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
4F4486AAEF4233B8E8745DBE568ABFE1.taxon	distribution	Distribution. Spain.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
5911DFA745B58168B11C0FA867EBB32E.taxon	materials_examined	Material examined. Holotype ♂ Eumerus longitarsis Peck, 1979: " Tajikistan, Hissar mountains / Takob ravine / Tian Shan h = 1700 m / leg. 23. vii. 1976 ", " 399 ", " Holotypus ♂ / Eumerus / longitarsis Peck " (ZISP). Additional material: " [Russia] So. [uthern] Primor'e [Primorsky Krai] / Kamenushka / A. Shatalkin [leg.] ", 1 ♂ (USNM).	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
5911DFA745B58168B11C0FA867EBB32E.taxon	diagnosis	Diagnosis. Male. Ocellar triangle equilateral. Face with black pile. Constriction of the elongated metafemur is located in posterior half. Metatarsus remarkably longer than metatibia (Fig. 2 F). Anterior lobe of surstylus with multiple rows of long pilosity (see fig. 6 in Peck 1979). Abdomen black, without red markings.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
248FE941700B4CC0E2140EBB54E9050C.taxon	materials_examined	Material examined. Holotype ♂ Eumerus tadzhikorum Stackelberg, 1949: " 16. VI. [19] 44 ", " Eumerus typ. ' 46 / tadzhikorum sp. nov. / Stackelberg det. ", " Holotypus ' 49 / Eumerus / tadzhikorum Stack. " [red label, partly handwritten], " Lectotypus Eumerus / tadzhikorum Stack / design. V. Richter " [red label, partly handwritten], (ZISP). Additional material. Kazakhstan: " KZ Oblast Almaty / Tamgaly 886 m / lat 43.802 lng 75.534 / 8 V 2015 leg. S. Bot ", 1 ♂ (SBPC); " KAZAKHSTAN 29. V. 2001 / SE Chilik 700 m / 43 ° 40 ' N 78 ° 29 ' E / leg. M. Hauser ", 1 ♂ (CSCA). Armenia: " Megri na r. Araks / Armeniya / V. Rikhter " with added handwritten " 2.5 km B. m. g. / staitsii / 7. V. 974 ", 1 ♂ (ZISP).	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
248FE941700B4CC0E2140EBB54E9050C.taxon	diagnosis	Diagnosis. Male. Eyes clearly separated by width of basoflagellomere. Wing with a dark spot (Fig. 1 C, D). Antenna black and as high as long (Fig. 2 D). Metafemur with row of about 7 rather long black setae, which are about 1 / 3 as long as width of metafemur. Abdomen partly red (Fig. 1 C, D). Posterior surstyle lobe anteriorly with fan-like protruding structure, separated by deep incision.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
68C43A27B4265A19A1E711FF604612B1.taxon	diagnosis	Diagnosis. Male. Ocellar triangle isosceles (Fig. 4 A). Abdomen black, without any red markings (Fig. 3 C). Constriction of elongated metafemur is located in anterior half (Fig. 4 D). Metatibia with characteristic curvature in posterior half, also well noticeable in female. Ventral margin of hypandrium with oval medial protuberance (Fig. 5 C: vp). Anterior lobe of surstylus with a single row of pilosity (Fig. 5 E).	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
68C43A27B4265A19A1E711FF604612B1.taxon	description	Description. Male. Body length (excluding antennae): 12 mm; wing length: 8 mm. Head. Eyes slightly dichoptic, separated by width of two ommatidia (Fig. 4 A); covered in long dense white pilosity. Eye margins in anterior view almost parallel, slightly broadening ventrally. Face completely black pilose, gently pollinose, with distinctive thin line of silvery-white pollinosity in middle, slightly narrower in upper part. Frons, vertical triangle and occiput black; silvery-white pollinosity well expressed along eye margin on frons, on vertex anteriorly and dorsally on occiput behind eye margin, on the posterior margin as a patch, but most distinctive laterally. Ocellar triangle isosceles and predominantly black pilose, becoming intermixed with white pile in front of the ocellar triangle and turning predominantly white behind it. Vertical triangle and occiput with metallic blue reflection. Distance from anterior to posterior ocellus same as distance from latter one to upper eye corner. Lower facial margin in lateral view not protruding (Fig. 4 B). In lateral view, white pilosity on eyes make contrast to black long pile on face, reaching one third to half of their length. Scape and pedicel dark colored, almost black. Basoflagellomere lacking in the holotype. Ventral pile of pedicel black, longer than its depth. Thorax. Scutum and scutellum densely punctate, covered in long dense white pilosity. Scutum with pair of white vittae of pollinosity, along almost two thirds of scutum length. Scutellum and lateral area of scutum with metallic blue tinge. Pleurae black. Anepisternum predominantly covered in long white pilosity, except behind anterior spiracle with patch of black pilosity. Katepisternum, anepimeron and katepimeron black pilose. Wing. Hyaline with pterostigma the same color as wing. Vein R 4 + 5 slightly curved. Wing covered in microtrichia except for basal cells mostly bare. Costal setae black. Halter blackish. Legs. Metaleg slender with all segments very elongated (Fig. 4 D). Femora black with yellowish tips covered in black pilosity; metafemur very narrow in apical half with only few scattered inconspicuous setae. Tibiae white pilose. Pro- and mesotibia mostly black, yellowish in basal third and with yellowish apices; metatibia in the basal half yellowish, the apical half black turning lighter towards apex. Metatibia with characteristic curvature in posterior half (Fig. 4 D). Tarsi brown to black; metatarsus longer than tibia. Abdomen. Black, punctate, pilose, tapered (Figure 3 C; 4 C). Terga 2 - 3 with pairs of wide white pollinose maculae, slightly obscured towards medial part of terga; tergum 4 with pair of white pollinose maculae with apices upwards. Tergum 2 with long white pile laterally; pilosity adpressed, in area of pollinose maculae white, black on rest of terga. Punctures are visible through pollinose maculae. Sterna entirely black pilose; sternum 4 flat with uniformly long pilosity (Fig. 5 H). Terminalia. (Fig. 5 C, E, F). Posterior surstyle lobe simple, beak-like in lateral view, with long strong setae laterally on outer surface (Fig. 5 E: ps); in ventral view, outer margin slightly convex, pilose (Fig. 5 F: om). Cerci oval (Fig. 5 E: c), uniformly pilose. Interior accessory lobe of surstyle lobe densely pilose (Fig. 5 F: in). Hypandrium curved, broad with folded thecal ridge near base (Fig. 5 C: th); medially with oval protuberance on ventral margin (Fig. 5 C: vp) and wide notch dorsally near base (Fig. 5 C: dn). Female. Body length (excluding antennae): 11 mm; wing length: 7 mm. Similar to male except normal sexual dimorphism and for following characteristics: Head. White pilose except on ocellar triangle, with black pilosity. Basoflagellomere oval, dark, reddish anteriorly, with three radial wrinkles (Fig. 7 B). Width of the frons in narrower part is narrower than one fourth of width of head in anterior view. (Fig. 7 A). Thorax. Bluish sheen not noticeable. White pollinose vittae present along almost entire length of scutum. Pleurae white pilose. Segments of metaleg only slightly elongated. Metatibia with characteristic curvature (Fig. 7 C). Abdomen. Tergum 4 with longer white pile posteriorly. Sterna black pilose except sternum 4 which is covered in white pile.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
68C43A27B4265A19A1E711FF604612B1.taxon	etymology	Etymology. The species name is derived from the Latin words " tenui " and " tarsus " and refers to the extremely long and slender tarsi, especially obvious in the male metalegs.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
68C43A27B4265A19A1E711FF604612B1.taxon	distribution	Distribution. Only known from the holotype and female paratype taken on Lesvos and Evros (Greece) respectively.	en	Grkovic, Ana, Smit, John, Radenkovic, Snezana, Vujic, Ante, Steenis, Jeroen van (2019): Two new European long-legged hoverfly species of the Eumerusbinominatus species subgroup (Diptera, Syrphidae). ZooKeys 858: 91-108, DOI: http://dx.doi.org/10.3897/zookeys.858.34663, URL: http://dx.doi.org/10.3897/zookeys.858.34663
