Idionyx travancorensis

Idionyx travancorensis[2] is a species of dragonfly in the family Synthemistidae. It is known only from the Western Ghats of India.[3][1]

Idionyx travancorensis
Male, Ponmudi, Kerala
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Odonata
Family:
Synthemistidae
Genus:
Idionyx
Species:
I. travancorensis
Binomial name
Idionyx travancorensis
Fraser, 1931

Description and habitat

It is a small dragonfly with emerald-green eyes. thorax metallic green. There is no humeral stripe. Laterally There is a narrow oblique stripe at the level of the spiracle and another on the hinder border of metepimeron. Beneath the side is black, bordered with yellow, and with a stripe of paler yellow at its middle. Abdomen is black. In segment 2, the ventral border and a narrow apical stripe in yellow. Segment 10 has a broad carina; but without a dorsal spine. Anal appendages are black.[4]

The male can be easily distinguished by the shape of its inferior anal appendage and the female by its safironated wings and conical vesicle.[4]

Fraser (1931) states that the species occurs from 3,000 - 4,000 ft in the Western Ghats and breeds in mountain streams. Nothing else is known of its habitat or ecology.[4][5]

See also

References
  1. Dow, R.A. (2009). "Idionyx travancorensis". IUCN Red List of Threatened Species. 2009: e.T163653A5630590.
  2. Martin Schorr; Dennis Paulson. "World Odonata List". University of Puget Sound. Retrieved 12 Oct 2018.
  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. 274–275. ISBN 9788181714954.
  4. 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. 223-225.
  5. C FC Lt. Fraser (1931). Additions to the Survey of the Odonate (Dragonfly) Fauna of Western India, with Descriptions of Nine New Species (PDF). pp. 455–456.
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