Orthetrum triangulare

Orthetrum triangulare
O. t. triangulare, male
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Odonata
Infraorder:	Anisoptera
Family:	Libellulidae
Genus:	Orthetrum
Species:	O. triangulare
Binomial name
Orthetrum triangulare (Selys, 1878)
Synonyms
Orthetrum chandrabali Mehrotra, 1961

Orthetrum triangulare^[2] is an Asian freshwater dragonfly species.^[1] The common name for this species is blue-tailed forest hawk.^{[3][1][4][5][6]} Two subspecies of Orthetrum triangulare are currently recognised, the nominate subspecies and O. t. malaccense.^[1]

Description and habitat

It is a medium-sized dragonfly with dark face and bluish eyes. Its thorax is also black with a broad apple green stripe on both sides. Segments 1-2 and 8–10 in the abdomen are black and the remaining segments are pruinosed with azure blue. It is usually found in marshes associated with hill streams where it breeds.^[7][8]

• 
  O. t. triangulare, female
• 
  O. t. triangulare, female
• 
  O. t. triangulare, mating pair
• 
  O. t. malaccense, male
• 
  O. t. malaccense, young male
• 
  O. t. malaccense, female

See also

• List of odonates of Sri Lanka
• List of odonates of India
• List of odonata of Kerala

References

1. Dow, R.A. (2010). "Orthetrum triangulare". IUCN Red List of Threatened Species. 2010: e.T167098A6301833. doi:10.2305/IUCN.UK.2010-4.RLTS.T167098A6301833.en. Retrieved 19 November 2021.
2. Paulson, D.; Schorr, M.; Abbott, J.; Bota-Sierra, C.; Deliry, C.; Dijkstra, K.-D.; Lozano, F. (2024). "World Odonata List". OdonataCentral, University of Alabama.
3. Subramanian, K. A. (2005). Dragonflies and Damselflies of Peninsular India (PDF).
4. "Orthetrum triangulare Selys, 1878". India Biodiversity Portal. Retrieved 2017-02-15.
5. "Orthetrum triangulare Selys, 1878". Odonata of India, v. 1.00. Indian Foundation for Butterflies. Retrieved 2017-02-15.
6. K.A., Subramanian; K.G., Emiliyamma; R., Babu; C., Radhakrishnan; S.S., Talmale (2018). Atlas of Odonata (Insecta) of the Western Ghats, India. Zoological Survey of India. pp. 361–362. ISBN 9788181714954.
7. C FC Lt. Fraser (1936). The Fauna of British India, including Ceylon and Burma, Odonata Vol. III. Red Lion Court, Fleet Street, London: Taylor and Francis. pp. 305–307.
8. C FC Lt. Fraser (1924). A Survey of the Odonate (Dragonfly) Fauna of Western India and Descriptions of Thirty New Species (PDF). p. 433.

External links

Media related to Orthetrum triangulare at Wikimedia Commons

Data related to Orthetrum triangulare at Wikispecies