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Scellus
Genus of flies From Wikipedia, the free encyclopedia
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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]
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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]
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References
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