Zygonyx

Zygonyx is a genus of dragonflies in the family Libellulidae. They are commonly known as cascaders because of their preference for living beside waterfalls and flying through the spray. They lay their eggs into the wet dangling roots of plants.[1]

Cascaders
Blue cascader
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Odonata
Family:
Libellulidae
Subfamily:
Zygonychinae
Genus:
Zygonyx

Hagen, 1867

Species

The genus contains the following species:[2]

  • Zygonyx asahinai Matsuki & Saito, 1995
  • Zygonyx elisabethae Lieftinck, 1963
  • Zygonyx eusebia (Ris, 1912)
  • Zygonyx fallax (Schouteden, 1934)
  • Zygonyx flavicosta (Sjöstedt, 1900)
  • Zygonyx hova (Rambur, 1842)
  • Zygonyx ida Hagen, 1867
  • Zygonyx ilia Ris, 1912
  • Zygonyx immaculata Fraser, 1933
  • Zygonyx iris Selys, 1869 - Emerald Cascader[3]
  • Zygonyx luctifera Selys, 1869
  • Zygonyx natalensis (Martin, 1900) - Blue Cascader, Powdered Cascader,[4] Scuffed Cascader[5]
  • Zygonyx pretentiosa Fraser, 1957
  • Zygonyx ranavalonae Fraser, 1949
  • Zygonyx regisalberti (Schouteden, 1934)
  • Zygonyx speciosa (Karsch, 1891)
  • Zygonyx takasago Asahina, 1966
  • Zygonyx torridus (Kirby, 1889) - Ringed Cascader[6]
  • Zygonyx viridescens (Martin, 1900)

References
  1. Silsby, Jill (2001). Dragonflies of the World. Csiro Publishing. p. 15. ISBN 978-0-643-10249-1.
  2. Martin Schorr; Dennis Paulson. "World Odonata List". University of Puget Sound. Retrieved 12 Oct 2018.
  3. "Emerald Cascader". Hong Kong Biodiversity Online. Retrieved 11 October 2010.
  4. Clausnitzer, V.; Suhling, F. & Dijkstra, K.-D.B. (2009). "Zygonyx natalensis". IUCN Red List of Threatened Species. 2009. Retrieved 11 October 2010.CS1 maint: ref=harv (link)
  5. Samways, Michael J. (2008). Dragonflies and Damselflies of South Africa. Pensoft. ISBN 954-642-330-0.
  6. Clausnitzer, V. (2006). "Zygonyx torridus". IUCN Red List of Threatened Species. 2006. Retrieved 11 October 2010.CS1 maint: ref=harv (link)


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