Hemicordulia asiatica

Hemicordulia asiatica,[2][1] Asian emerald, is a species of dragonfly in the family Corduliidae. H. asiatica belongs to an Australian genus and is the only representative found in Asia. It is found in Western Ghats, northeast India and Myanmar.[3][4]

Asian emerald
in Periyar National Park

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Infraorder: Anisoptera
Family: Corduliidae
Genus: Hemicordulia
Species:
H. asiatica
Binomial name
Hemicordulia asiatica
(Selys, 1878)

Description and habitat

It is a dragonfly of medium size, coloured metallic green, sparingly marked with yellow. Its labium and labrum are bright yellow. Its lower part of frons and its sides are brighter yellow, changing to bright orange above and then brilliant metallic emerald-green. Its eyes are emerald-green when aged. Its pro-thorax is dark brown with a mid-dorsal yellow spot and thorax is dark metallic green, marked with yellow on the sides only. Its wings are hyaline with pterostigma dark brown. Its abdomen is glossy black with a metallic dark green reflex on dorsum, especially of the proximal segments, and marked laterally in bright ochreous color. Its anal appendages are black.[5][6]

Female is closely similar to the male. The larvae breed in montane lakes or in deep still pools of mountain streams.[5]

  • Male
  • Female

A survey jointly conducted by the Periyar Tiger Conservation Foundation, Indian Dragonfly Society and the Forest and Wildlife Department in Periyar National Park on October, 2017 found Hemicordulia asiatica. This was a rediscovery after 80 years of Fraser's initial sighting of this species from the Western Ghats.[7][8]

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See also
  • List of odonates of India
  • List of odonata of Kerala

References
  1. Mitra, A. (2010). "Hemicordulia asiatica". IUCN Red List of Threatened Species. 2010: e.T169098A6564678.
  2. "World Odonata List". Slater Museum of Natural History. Retrieved 2017-05-30.
  3. 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. 298–299. ISBN 9788181714954.
  4. Odonata: Catalogue of the Odonata of the World. Tol J. van , 2008-08-01
  5. 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. 213-215.
  6. C FC Lt. Fraser (1924). A Survey of the Odonate (Dragonfly) Fauna of Western India and Descriptions of Thirty New Species (PDF). p. 446.
  7. "Survey finds surprise sighting of Indian Emerald dragonfly". The Hindu. 2017-11-01. Retrieved 15 September 2018.
  8. "Kerala: Endemic dragonfly species reported after 80 years at Periyar reserve". 2017-11-01. Retrieved 15 September 2018.


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