Potamarcha congener
Male, taken at Kadavoor, India
Juvenile male, taken at Kadavoor, India
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Infraorder: Anisoptera
Family: Libellulidae
Genus: Potamarcha
Species:
P. congener
Binomial name
Potamarcha congener
(Rambur, 1842)[2]
Synonyms
  • Libellula congener Rambur, 1842
  • Libellula obscura Rambur, 1842

Potamarcha congener[3] is a species of dragonfly in the family Libellulidae.[4] It was first described by Jules Pierre Rambur in 1842,[1] almost fifty years before Friedrich Karsch described its genus.[5] Potamarcha congener is one of two species making up the genus Potamarcha, together with Potamarcha puella.[5]

Yellow tailed ashy skimmer - Potamarcha congener
Yellow tailed ashy skimmer , Potamarcha congener,aged
Yellow tailed ashy skimmer, Potamarcha congener

Distribution

Potamarcha congener is common through much of its range, which stretches through parts of South Asia, South-East Asia, and Oceania, including in countries such as India, Indonesia, China, Australia, and Vietnam. Owing to its wide distribution, the species has been classified as Least Concern by the International Union for Conservation of Nature.[1][6]

Description and habitat

Potamarcha congener, known as a yellow-tailed ashy skimmer, common chaser, or swampwatcher,[7] is a medium-sized dragonfly with a bluish black thorax and yellow tail with black markings. Face is olivaceous yellow to steel black or brown. Eyes are reddish brown above and bluish grey below. In male adults, the thorax and first four segments of the abdomen are covered with bluish pruinescence. In young adults, yellow markings are visible through the pruinescence. The rest of the abdomen is black with orange markings, with the last two segments entirely black. The female thorax has yellow and black stripes on the sides. The abdomen is black with dull orange markings, and has prominent flaps on each side of segment eight. The flaps may serve to hold the eggs in place during oviposition.[8][9][10][11]

This dragonfly is found in terrestrial areas with standing water. This can include near small ponds, rice fields or marshes where it breeds.[8][1]

References

  1. 1 2 3 4 Mitra, A.; Dow, R.A. (2017). "Potamarcha congener". IUCN Red List of Threatened Species. 2017: e.T167281A87528800. doi:10.2305/IUCN.UK.2017-1.RLTS.T167281A87528800.en. Retrieved 20 November 2021.
  2. ↑ Rambur, Jules (1842). Histoire naturelle des insectes. Névroptères (in French). Paris: Librairie Encyclopédique de Roret. pp. 534 [70] – via Gallica.
  3. ↑ Paulson, D.; Schorr, M.; Abbott, J.; Bota-Sierra, C.; Deliry, C.; Dijkstra, K.-D.; Lozano, F. (2023). "World Odonata List". OdonataCentral, University of Alabama. Retrieved 14 Mar 2023.
  4. ↑ "Species Potamarcha congener (Rambur, 1842)". Australian Faunal Directory. Australian Biological Resources Study. 2012. Retrieved 1 March 2017.
  5. 1 2 "Species in the genus Potamarcha". John Carroll University. Retrieved 3 April 2014.
  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. 368–369. ISBN 9788181714954.
  7. ↑ Theischinger, Günther; Hawking, John (2006). The Complete Field Guide to Dragonflies of Australia. Collingwood, Victoria, Australia: CSIRO Publishing. p. 268. ISBN 978 0 64309 073 6.
  8. 1 2 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. 289–291.
  9. ↑ C FC Lt. Fraser (1924). A Survey of the Odonate (Dragonfly) Fauna of Western India and Descriptions of Thirty New Species (PDF). p. 432.
  10. ↑ "Potamarcha congener Rambur, 1842". India Biodiversity Portal. Retrieved 2017-02-16.
  11. ↑ "Potamarcha congener Rambur, 1842". Odonata of India, v. 1.00. Indian Foundation for Butterflies. Retrieved 2017-02-16.

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