Cheilosia circassica
| Notice: | This page is derived from the original publication listed below, whose author(s) should always be credited. Further contributors may edit and improve the content of this page and, consequently, need to be credited as well (see page history). Any assessment of factual correctness requires a careful review of the original article as well as of subsequent contributions.
If you are uncertain whether your planned contribution is correct or not, we suggest that you use the associated discussion page instead of editing the page directly. This page should be cited as follows (rationale):
Citation formats to copy and paste
BibTeX: @article{Ståhls2017ZooKeys, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Ståhls2017ZooKeys">{{Citation See also the citation download page at the journal. |
Ordo: Diptera
Familia: Syrphidae
Genus: Cheilosia
Name
Cheilosia circassica Ståhls & Barkalov, 2017 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material studied
Holotype, ♂, pinned, with genitalia dissected in microvial, in ZIN. The holotype is labelled: ‘Teberdinskij zapov., okr. Usad’by, Kavkaz, Gorodkov, 9.VII.[1]968’, ‘g. Mal. Khatipara, verch. granitsa lesa, 2400 m’, ‘subalpinskij lug’ [Teberdinskii reserve, mountain Malaia Khatipara, close to border forest, 2400 m, subalpine meadow] [North Caucasus, Karastschaevo-Tscherkessia].
Paratype, 1 ♂, Teberdinskij reserve, mountain Malaia Khatipara, 1400–2000 m 14.VII.1982 (Lukashova) (ISEA).
Description
♂: Face in frontal view slightly divergent from level of antennal insertion to lower mouth edge, with weak narrow strip of pollinosity (Fig. 6A). Facial knob rounded, not very protruding, shining. Parafacia pollinose in upper part and shining in lower part. Parafacia in its broadest part slightly more than 1/2 the width of basoflagellomere. Frons very slightly swollen, shining, with dense white wavy pile. Frontal angle ≈ 90°. Lunula brown. Antennal pits confluent. Vertical triangle with white pile. Eye-contiguity shorter than the length of frons without lunula. Basoflagellomere yellowish brown, rounded (Fig. 6B). Arista with short pile. Scutum, scutellum and pleura shining, with only very pale yellowish (almost whitish) pile, longer pile on pleura and posterior part of scutum distally wavy. Scutum and scutellum completely without black bristles or bristly like pile. Postalar callus without black bristles. Anepisternum and katepisternum shining, with white pile. Katepisternum with dorsal and ventral hair patches connected. Legs mainly black, knees narrowly yellow, tibiae also narrowly yellow at the extreme tip, 1–3 segments of meso and 2–3 segments of metatarsi yellowish. Apical half of posterior surface of mesofemur with long light pile. Metafemur with short and long white pile ventrally, apicoventrally with a few black pile. Halter yellow. Wing with all cross-veins darkened, completely microtrichose, R4 + 5 of wing not distinctly curved. Abdomen oval, shining, densely punctated. Pile erect and white, longer on the lateral parts and shorter on the central parts of tergites. Sternite I with pollinosity, sternites II–IV shining, pile erect, white. Hypopygium as on Fig. 6D–F.
Size. Body length 9 mm.
Etymology
The specific name means “from Tscherkessia” in Latin and English.
Additional material studied
No additional material available.
Distribution
Russia (Caucasus).
Remark
Female unknown.
Original Description
- Ståhls, G; Barkalov, A; 2017: Taxonomic review of the Palaearctic species of the Cheilosia caerulescens-group (Diptera, Syrphidae) ZooKeys, (662): 137-171. doi
Images
|
