Caliagrion

Large riverdamsel
Caliagrion billinghursti
Conservation status
Vulnerable  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Odonata
Suborder:	Zygoptera
Family:	Coenagrionidae
Genus:	Caliagrion Tillyard, 1913 [2]
Species:	C. billinghursti
Binomial name
Caliagrion billinghursti Martin, 1901 [3]

Caliagrion is a monotypic genus of damselflies belonging to the family Coenagrionidae. ^[4] The single species of this genus, Caliagrion billinghursti, ^[5] is commonly known as a large riverdamsel, ^[6] and is endemic to south-eastern Australia, where it inhabits slow-flowing rivers and ponds. ^[7]

Caliagrion billinghursti is a large damselfly; the male is coloured bright blue with black, while the female is yellow and black. ^[6]

Gallery

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  Female Caliagrion billinghursti wings
• 
  Male Caliagrion billinghursti wings

References

1. Dow, R.A. (2017). "Caliagrion billinghursti". IUCN Red List of Threatened Species . 2017 e.T14263430A59256518. doi: 10.2305/IUCN.UK.2017-1.RLTS.T14263430A59256518.en . Retrieved 19 November 2021.
2. Tillyard, R.J. (1913). "On some new and rare Australian Agrionidae (Odonata)". Proceedings of the Linnean Society of New South Wales. 37 (1912): 404–479 [468]. Bibcode:1913PLSNS..37..404T. doi:10.5962/bhl.part.22352 – via Biodiversity Heritage Library.
3. Martin, R. (1901). "Les odonates du continent australien". Mémoires de la Société Zoologique de France (in French). 14: 220–248 [246] – via Biodiversity Heritage Library.
4. "Genus Caliagrion Tillyard, 1913". Australian Faunal Directory . Australian Biological Resources Study. 2012. Retrieved 2 April 2017.
5. "Species Caliagrion billinghursti (Martin, 1901)". Australian Faunal Directory . Australian Biological Resources Study. 2012. Retrieved 2 April 2017.
6. Theischinger, Günther; Hawking, John (2006). The Complete Field Guide to Dragonflies of Australia. Collingwood, Victoria, Australia: CSIRO Publishing. p. 88. ISBN   978-0-64309-073-6.
7. Watson, J.A.L.; Theischinger, G.; Abbey, H.M. (1991). The Australian Dragonflies: A Guide to the Identification, Distributions and Habitats of Australian Odonata. Melbourne: CSIRO. ISBN   978-0-643-05136-2.