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 | |
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| Male, Ponmudi, Kerala | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Odonata |
| Infraorder: | Anisoptera |
| Superfamily: | Libelluloidea |
| Family: | Synthemistidae |
| Genus: | Idionyx |
| Species: | I. travancorensis
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| Binomial name | |
| Idionyx travancorensis Fraser, 1931
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Description and habitat
editIt 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
editReferences
edit- ^ a b Dow, R.A. (2009). "Idionyx travancorensis". IUCN Red List of Threatened Species. 2009: e.T163653A5630590. doi:10.2305/IUCN.UK.2009-2.RLTS.T163653A5630590.en. Retrieved 19 November 2021.
- ^ Paulson, D.; Schorr, M.; Abbott, J.; Bota-Sierra, C.; Deliry, C.; Dijkstra, K.-D.; Lozano, F. (2024). "World Odonata List". OdonataCentral, University of Alabama.
- ^ 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.
- ^ a b c 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.
- ^ 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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