Biology:Scellus

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Short description: Genus of flies

Scellus
Scellus notatus.jpg
Scellus notatus
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Dolichopodidae
Subfamily: Hydrophorinae
Tribe: Hydrophorini
Genus: Scellus
Loew, 1857[1]
Type species
Hydrophorus spinimanus
Zetterstedt, 1843[2]

Scellus is a genus of flies in the family Dolichopodidae.[3] It is distributed in the Palearctic and Nearctic.

Males of the genus have a pair of flag-like appendages, known as "signa" (singular "signum"), that emanate laterally from between the 4th and 5th abdominal segments. These appendages are connected together by a band under the sternites, forming a U-shaped structure called the "cingulum". It has been suggested by researchers that these appendages are used for visual signalling or pheromone dispersal during courtship. The genus Hydatostega also has a cingulum, but much reduced, suggesting that Scellus and Hydatostega are closely related.[4][5]

Species

  • Scellus abditus Hurley, 1995[6]
  • Scellus alactaga Stackelberg, 1951[7]
  • Scellus amplus Curran, 1923[8]
  • Scellus asaroticus Hurley, 1995[6]
  • Scellus avidus Loew, 1864[9]
  • Scellus bianchii Stackelberg, 1951[7]
  • Scellus coloradensis Harmston & James in Harmston & Knowlton, 1942
  • Scellus crinipes Van Duzee, 1925[10]
  • Scellus dolichocerus Gerstaecker, 1864[11]
  • Scellus dyscritus Hurley, 1995[6]
  • Scellus exustus (Walker, 1852)
  • Scellus filifer Loew, 1864[9]
  • Scellus gallicanus Becker, 1909[12]
  • Scellus grichanovi Naglis, 2012[13]
  • Scellus hissaricus Stackelberg, 1951[7]
  • Scellus knowltoni Harmston, 1939[14]
  • Scellus monstrosus Osten Sacken, 1877[15]
  • Scellus notatus (Fabricius, 1781)
  • Scellus obuchovae (Stackelberg, 1951)[7]
  • Scellus paramonovi Stackelberg, 1926
  • Scellus sinensis Yang, 1998[16]
  • Scellus spinimanus (Zetterstedt, 1843)[2]
  • Scellus tshernovskii Stackelberg, 1951[7]
  • Scellus varipennis Van Duzee, 1925[10]
  • Scellus vigil Osten Sacken, 1877[15]
  • Scellus virago Aldrich, 1907[17]


References

  1. Loew, Hermann (1857). "Neue Beiträge zur Kenntniss der Dipteren. Sechster Beitrag.". Programme der Königlichen Realschule zu Meseritz: 1–56. https://www.biodiversitylibrary.org/item/176855#page/143/mode/1up. Retrieved 9 May 2020. 
  2. 2.0 2.1 Zetterstedt, J. W. (1842) (in la). Diptera Scandinaviae. Disposita et descripta. 2. Lundae: Officina Lundbergiana. pp. 441–894. https://www.biodiversitylibrary.org/item/34036#page/471/mode/1up. Retrieved 2019-12-16. 
  3. Yang, D.; Zhu, Y.; Wang, M.; Zhang, L. (2006). World Catalog of Dolichopodidae (Insecta: Diptera).. Beijing: China Agricultural University Press. pp. 1–704. ISBN 9787811171020. 
  4. Runyon, Justin (2008). "The cingulum: A unique structure of some Dolichopodidae". Fly Times (41): 3. https://www.fs.usda.gov/rm/pubs_other/rmrs_2008_runyon_j003.pdf. 
  5. Schusteff, Aaron (16 December 2015). "Curated Scellus virago specimen from the CAS - Scellus virago - ♂". https://bugguide.net/node/view/1172538. 
  6. 6.0 6.1 6.2 Hurley, R. L. (1995). Griffiths, C.D.C.. ed. Orthogenya Dolichopodidae. Hydrophorinae. in Flies of Nearctic Region. 6. 6. Stuttgart: E. Schweizerbartsche Verlagsbuchhandlung. pp. 113–224. ISBN 978-3-510-70021-9. 
  7. 7.0 7.1 7.2 7.3 7.4 Stackelberg, A. (1951). "Palaearctic species of the genus Scellus lw (Diptera Dolichopodidae)". Entomologicheskoe Obozrenie 31: 595–608. 
  8. Curran, C. H. (1923). "An apparently undescribed species of Scellus (Dolichopodidae, Diptera)". Canadian Entomologist 55: 73–74. doi:10.4039/ent5573-3. 
  9. 9.0 9.1 Loew, H. (1864). "Monographs of the Diptera of North America". Smithson. Misc. Collect. 6 (Part II). 
  10. 10.0 10.1 Van Duzee, M. C. "Scellus virago Aldrich (a two-winged fly) and two forms closely related to it". Proceedings of the California Academy of Sciences. 4th series 14 (10): 175–183. https://archive.org/details/biostor-78014. Retrieved 16 July 2016. 
  11. Gerstaecker, A. (1864). "Uebersicht der in der Umgegend Berlins bis jetzt beobachteten Dolichopoden" (in de). Entomologischer Verein zu Stettin 25: 20–48. 
  12. Becker, T. (1908). "Dipteren der Kanarischen Inseln" (in de). Mitteilungen aus dem zoologischen Museum in Berlin (Berlin) 4. https://www.biodiversitylibrary.org/page/12199947#page/15/mode/1up. Retrieved 5 October 2015. 
  13. Naglis, S. (2012). "New records of Hydrophorinae (Diptera, Dolichopodidae) from Turkey, with the description of a new species of Scellus Loew". Mitteilungen der Schweizerischen Entomologischen Gesellschaft 85 (1–2): 45–49. doi:10.5169/seals-403038. 
  14. Harmston, F. C. (1939). "A new Scellus Dolichopodidae Diptera with key to males". Proceedings of the Utah Academy of Sciences 16: 71–73. 
  15. 15.0 15.1 Osten Sacken, Karl Robert (1877). "Western Diptera: Descriptions of new genera and species of Diptera from the region west of the Mississippi and especially from California.". [U.S. Department of the Interior] Bulletin of the United States Geological and Geographical Survey of the Territories 3: 189–354. https://www.biodiversitylibrary.org/item/119039#page/17/mode/1up. Retrieved 10 July 2016. 
  16. Yang, D. (1998). "New and little known species of Dolichopodidae (Diptera) from China (II)". Bulletin de l'Institut royal des sciences naturelles de Belgique. Entomologie 68: 165–176. 
  17. Aldrich, J. M. (1907). "The dipterous genus Scellus, with one new species". Entomological News Philadelphia 19: 133–136. https://www.biodiversitylibrary.org/page/2612451#page/175/mode/1up. Retrieved 16 July 2016. 

Wikidata ☰ Q7430702 entry