Published October 21, 2025 | Version v1
Taxonomic treatment Open

Cheilosia (Cheilosia) pagana

  • 1. Gasterenseweg 1, 9467 TA Anloo, the Netherlands.
  • 2. Museum Koenig Bonn, Leibniz-Institut zur Analyse des Biodiversitätswandels, Adenauerallee 127, 53113 Bonn, Germany.
  • 3. Achterheide 16, 3980 Tessenderlo, Belgium. & Frank.
  • 4. 146 Monty Drive, Ottawa, ON, K 0 A 3 M 0, Canada.

Description

Cheilosia (Cheilosia) pagana (Meigen, 1822)

Fig. 52

Syrphus paganus Meigen, 1822: 292.

Cheilosia pagana – Stackelberg & Richter 1968: 247. — Peck 1988: 112. — Barkalov 1993: 712. — Gujabidze 2002: 246. — Barkalov & Mutin 2018: 483. — Mengual et al. 2020: 19.

Differential diagnosis

Cheilosia pagana is a small (5–9 mm) and slender species. It is characterized by the bare face, narrow parafacia, bare eye, lunule with distinct medial arm, bicoloured legs, posterior margin of scutellum with setae and shiny sterna. The female stands out amongst those of similar looking species by possessing a very large, bright orange postpedicel (Fig. 52D).

Material examined

Collected in 2018, 2019 and 2023, but 2018 records were not published in Mengual et al. (2020) We report here all the records.

GEORGIA – Adjara Region • 1 ♀; Kintrishi Nature Reserve; 41.7433° N, 42.0840° E; 1235 m a.s.l.; 27 Jul.–10 Aug. 2018; GGBC-members leg; ZFMK, ZFMK-TIS-8010465. – Kakheti • 1 ♀; Lagodekhi N.P.; 41.8767° N, 46.2429° E; 615 m a.s.l.; 2 May 2023; S. Bot leg.; SBA, SB.002716. – Mtskheta-Mtianeti • 1 ♀; Tbilisi N.P.; 41.880° N, 45.023° E; 1289 m a.s.l.; 4 May 2023; S. Bot leg.; SBA, SB.002717 • 1 ♀; Tbilisi N.P.; 41.877° N, 45.0138° E; 1250 m a.s.l.; 4 May 2023; F. Van de Meutter leg.; FMT • 2 ♂♂; Lutkhubi; 42.3951° N, 44.7847° E; 2138 m a.s.l.; 6 May 2023; F. Van de Meutter leg.; FMT • 1 ♂; Lutkhubi; 42.3867° N, 44.79° E; 1580 m a.s.l.; 6 May 2023; F. Van de Meutter leg.; FMT. – Samtskhe-Javakheti • 1 ♀; Borjomi; 41.96° N, 43.56° E; 700–750 m a.s.l.; 8 Jun. 2019; J. van Steenis leg.; JSB, 2019-00.837 • 1 ♀; Borjomi; 41.7772° N, 42.8372° E; 1368 m a.s.l.; 10–11 Jun. 2019; X. Mengual leg.; Malaise trap; ZFMK, ZFMK-TIS-8010114 • 1 ♂; Tbilisi National Park; 41.8808° N, 45.0204° E; 1270 m a.s.l.; 22 Jun. 2019; X. Mengual leg.; ZFMK, ZFMK-DIP-00066199 = ZFMK-TIS-8006806.

Genetics

DNA barcodes of C. pagana from several Holarctic localities, including Caucasus specimens, cluster together with high support (BS = 100%).

Biology

During our expeditions, collected between 2 May and 10 August at an altitude between 615 and 2138 m a.s.l. Males were found hovering at a hilltop at 2138 m a.s.l.

Distribution

Palaearctic. Within the Caucasus reported from Georgia and Russia.

Notes

Published as part of Bot, Sander, Mengual, Ximo, Meutter, Frank Van de & Skevington, Jeffrey H., 2025, Review of the genus Cheilosia Meigen, 1822 (Diptera: Syrphidae) from the Caucasus, with the description of 14 new species, pp. 1-181 in European Journal of Taxonomy 1023 on pages 104-106, DOI: 10.5852/ejt.2025.1023.3097, http://zenodo.org/record/17442595

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Linked records

Additional details

References

  • Meigen J. W. 1822. Systematische Beschreibung der bekannten europaischen zweiflugeligen Insekten. Dritter Theil. Schulz-Wundermann, Hamm. https://doi.org/10.5962/bhl.title.12464
  • Stackelberg A. A. & Richter V. A. 1968. Hover-flies (Diptera, Syrphidae) of the Caucasus. Trudy Vserossijskogo Entomologicheskogo Obshestva 52: 224-274.
  • Peck L. V. 1988. Family Syrphidae. In: Soos A. & Papp L. (eds) Catalogue of Palaearctic Diptera, Volume 8: 11-230. Akademiai Kiado, Budapest.
  • Barkalov A. V. 1993. Hover flies of the genus Cheilosia Meigen, 1822 (Diptera, Syrphidae) of the Caucasus. Entomologicheskoe Obozrenie 72 (3): 698 - 727. [in Russian; English version published in: Barkalov A. V. 1994. Hover flies of the genus Cheilosia Meigen, 1822 (Diptera, Syrphidae). Entomological Review 73 (5): 28-58.]
  • Gujabidze M. 2002. Syrphidae (Diptera, Syrphidae) of Georgia. Proceedings of the Institute of Zoology, Tbilisi 21: 240-250.
  • Barkalov A. V. & Mutin V. 2018. Checklist of the hover-flies (Diptera, Syrphidae) of Russia. Euroasian Entomological Journal 17 (6): 466-510. https://doi.org/10.15298/euroasentj.17.6.12
  • Mengual X., Bot S., Chkhartishvili T., Reimann T., Thormann J. & von der Mark L. 2020. Checklist of hover flies (Diptera, Syrphidae) of the Republic of Georgia. ZooKeys 916: 1-123. https://doi.org/10.3897/zookeys.916.47824