Biology:Red and blue damsel

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Short description: Species of damselfly

Red and blue damsel
Male, Tasmania, Australia
Female
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Suborder: Zygoptera
Family: Coenagrionidae
Genus: Xanthagrion
Selys 1876[3]
Species:
X. erythroneurum
Binomial name
Xanthagrion erythroneurum
Selys, 1876[2]

The red and blue damsel, (Xanthagrion erythroneurum) is a damselfly in the family Coenagrionidae.[4][1] It is the only member of the monotypic genus Xanthagrion.[5][6]

Description

A red and blue damsel has a bright red face and thorax.[7] Its abdomen is pale in colour[7] and 2.2-2.4 cm long.[8] Females and males are similar in colour.[7]

Distribution and habitat

The red and blue damsel is widespread across all Australian states,[8] as well as Fiji, New Caledonia, and other islands in the Pacific.[9] It is found in north and eastern Tasmania. It is typically found near dams, marshes and slow watercourses.[8]


Etymology

The genus name Xanthagrion is derived from the Greek ξανθός (xanthos, "yellow") and Agrion, a genus name derived from the Greek ἄγριος (agrios, "wild"). Agrion was the name applied by Johan Christian Fabricius in 1775 to all damselflies.[3][10]

The species name erythroneurum is derived from the Greek ἐρυθρός (erythros, "red") and νεῦρον (neuron, "nerve" or "sinew"), referring to the colour of the major wing veins.[2][10]

  • Mating I. The male holds the female behind her head.
    Mating I. The male holds the female behind her head.
  • Mating II. The male pushes the female under the water.
    Mating II. The male pushes the female under the water.
  • Mating III. The female is completely under the water. Both male and female dragonflies go under.
    Mating III. The female is completely under the water. Both male and female dragonflies go under.
  • Male
    Male
  • Female wings
    Female wings
  • Male wings
    Male wings

References

  1. ↑ 1.0 1.1 Dow, R.A. (2017). "Xanthagrion erythroneurum". IUCN Red List of Threatened Species 2017. doi:10.2305/IUCN.UK.2017-1.RLTS.T83152243A83381754.en. https://www.iucnredlist.org/species/83152243/83381754. Retrieved 20 November 2021. 
  2. ↑ 2.0 2.1 Selys-Longchamps, E. (1876). "Synopsis des Agrionines (suite du genre Agrion)" (in fr). Bulletin de la Classe des Science, Académie Royale de Belgique 42: 490–531, 952–991 [521]. https://www.biodiversitylibrary.org/page/34716953. 
  3. ↑ 3.0 3.1 Selys-Longchamps, E. (1876). "Synopsis des Agrionines (suite du genre Agrion)" (in fr). Bulletin de la Classe des Science, Académie Royale de Belgique 42: 490–531, 952–991 [520]. https://www.biodiversitylibrary.org/page/34716952. 
  4. ↑ "Species Xanthagrion erythroneurum (Selys, 1876)". Australian Biological Resources Study. 2012. https://biodiversity.org.au/afd/taxa/Xanthagrion_erythroneurum. 
  5. ↑ "Genus Xanthagrion Selys, 1876". Australian Biological Resources Study. 2012. https://biodiversity.org.au/afd/taxa/Xanthagrion. 
  6. ↑ "World Odonata List". University of Puget Sound. https://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/world-odonata-list2/. 
  7. ↑ 7.0 7.1 7.2 "Red and Blue Damselfly - Xanthagrion erythroneurum". Brisbane Insects. http://www.brisbaneinsects.com/brisbane_dragons/RedAndBlue.htm. 
  8. ↑ 8.0 8.1 8.2 Daley, Elizabeth (2007). Wings: An introduction to Tasmania's winged insects. Riffles Pty Ltd. 
  9. ↑ 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. 
  10. ↑ 10.0 10.1 Endersby, Ian; Fliedner, Heinrich (2015). The Naming of Australia's Dragonflies. Eltham, Victoria, Australia: Busybird Publishing. ISBN 9781925260625. https://www.researchgate.net/publication/283318421_The_Naming_of_Australia's_Dragonflies. 

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