Biology:Blue-spotted hawker

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Short description: Species of dragonfly

Blue-spotted hawker
Adversaeschna brevistyla - Sandford.jpg
Female
Male Blue-spotted Hawker flank (13162768954).jpg
Male
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Infraorder: Anisoptera
Family: Aeshnidae
Genus: Adversaeschna
Watson, 1992[3]
Species:
A. brevistyla
Binomial name
Adversaeschna brevistyla
(Rambur, 1842)[2]
Adversaeschna brevistyla distribution map.svg

The blue-spotted hawker (Adversaeschna brevistyla) is the only known species of dragonfly of the genus Adversaeschna in the family Aeshnidae.[4][5][6]

Description

The blue-spotted hawker is a large dragonfly with a pair of pale stripes on either side of the thorax.[7] Mature males have blue eyes whilst females have brown eyes.

Distribution and habitat

The blue-spotted hawker is widespread across Australia, New Zealand, Norfolk Island[8] and some Pacific Islands.[4] Its presence has not been verified in the Northern Territory.[8]

It may be found near ponds and marshes as well as vegetation far from water.[4] It prefers still water but may also be found along calm streams.[7]

Gallery

  • Female side view

  • Female

  • Male

  • Male body detail

  • Male tip of tail

  • Female ovipositing, depositing her eggs in a dam

  • Larva

  • Female wings

  • Male wings

References

  1. ↑ Rowe, R.; Marinov, M. (2020). "Adversaeschna brevistyla". IUCN Red List of Threatened Species 2020: e.T197095A83372228. doi:10.2305/IUCN.UK.2020-1.RLTS.T197095A83372228.en. https://www.iucnredlist.org/species/197095/83372228. Retrieved 19 November 2021. 
  2. ↑ Rambur, Jules (1842) (in fr). Histoire naturelle des insectes. Névroptères. Paris: Librairie Encyclopédique de Roret. pp. 534 [205]. http://gallica.bnf.fr/ark:/12148/bpt6k61025298/f227.image. 
  3. ↑ Watson, J.A.L. (1992). "The affinities of Aeshna brevistyla (Rambur) (Anisoptera: Aeshnidae)". Odonatologica 21 (4): 453–471 [470]. http://natuurtijdschriften.nl/record/592010. 
  4. ↑ 4.0 4.1 4.2 Daley, Elizabeth (2007). Wings: An introduction to Tasmania's winged insects. Riffles Pty Ltd.. 
  5. ↑ "World Odonata List". University of Puget Sound. https://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/world-odonata-list2/. 
  6. ↑ "Species Adversaeschna brevistyla (Rambur, 1842)". Australian Biological Resources Study. 2012. https://biodiversity.org.au/afd/taxa/Adversaeschna_brevistyla. 
  7. ↑ 7.0 7.1 Chew, Peter (2009-01-21). "Blue-spotted Hawker - Adversaeschna brevistyla". Brisbane Insects and Spiders. http://www.brisbaneinsects.com/brisbane_dragons/BlueSpotted.htm. 
  8. ↑ 8.0 8.1 "Aeshna brevistyla". CSIRO Entomology. 18 September 2003. http://www.ento.csiro.au/aicn/name_c/a_493.htm. 

Wikidata ☰ Q1375679 entry



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