Platycheirus pamiricus, Barkalov & Nielsen & V. & R., 2009
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publication ID |
https://doi.org/10.5281/zenodo.15883011 |
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DOI |
https://doi.org/10.5281/zenodo.15991612 |
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persistent identifier |
https://treatment.plazi.org/id/03FF8733-FFAD-381A-FF8A-8D67FBC2F945 |
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treatment provided by |
Felipe |
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scientific name |
Platycheirus pamiricus |
| status |
sp. nov. |
Platycheirus pamiricus View in CoL sp. n.
Figures 3A–D View Figure 3 , 4 View Figure 4 .
Holotype: Russia, ♂ labelled ” Ur. Chattukay, the outlet of river West Pshart , 3350 m Pamir , Salix, Gorodkov 26.vi.1958 ” . Paratype, ♂ with same label information as the holotype. The holotype is kept in coll. ZI. St. Petersburg, the paratype in ZMN .
Diagnosis and comparison with related species: P. pamiricus sp. n. belongs to the albimanus -group ( Vockeroth 1990) and the P. scutatus (Meigen, 1822) species complex. The male differs from all other species of the complex in sabre-like bristles on ventral side of mid tibia. The frons is wide.
Description
Male
Head. Figure 3A View Figure 3 . Eye angle 105°. Frons black haired, dulled by grey dusting, somewhat contrasting with facial dusting. Face, genae and occiput with light grey dusting. Upper part of face with black hairs, lower part of face, genae and occiput mainly pale haired. The black, undusted median stripe occupying only 1/6 the width of the face. Antenna: 1 st and 2 nd segments blackish brown, 3 rd segment grey brown, reddish below at base. Arista greyish brown.
Thorax. Figures 3B–C View Figure 3 , 4 View Figure 4 . Scutum and scutellum shining, yellow haired. Pleurae with light greyish yellow dusting, the hairs yellow white. – Wing: veins greyish brown, orange brown at base. Wing stigma pale yellowish grey. Haltere pale orange. Calypter greyish yellow, the rim light greyish brown. – Legs: fore tarsus, see Figure 3B View Figure 3 . Tibia 2 ventrally with strong, sabre-like yellowish bristles, dorsoposteriorly with long bristly hairs.
Abdomen. Figure 3D View Figure 3 . Tergites 1 and 5 metallic greyish black, lightly shining. Tergites 2–4 dull black with blue reflections, each with a couple of light grey spots. The spots on tergite 2 are roundish and small. The dark area between the spots on tergite 3 is about 1.5 times longer than wide. The posterior margin of the spots on tergites 3 and 4 are oblique. Terminalia shining black. The lateral hairs of the tergites are white yellow. The sternites are shining black with light dusting.
Body length (from frons till tip of abdomen) 8.6 mm; wing length 7.3 mm.
Female: unknown.
Etymology. The species name pamiricus refers to the Central Asian Pamir mountains where the species was found.
Ecology: unknown.
A comparison between P. pamiricus sp. n. and related species is given in Table 1. View Table 1
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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