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Indolestes gracilis

Indolestes gracilis[2][1] is a species of damselfly in the family Lestidae. It is known only from Sri Lanka, South India[1] and Cambodia.[3]

Indolestes gracilis
Indolestes gracilis davenporti
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Suborder: Zygoptera
Family: Lestidae
Genus: Indolestes
Species:
I. gracilis
Binomial name
Indolestes gracilis
(Hagen in Selys, 1862)
Synonyms
  • Ceylonlestes davenporti Fraser, 1930
  • Indolestes gracilis expressior Kosterin, 2015

Subspecies

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There are three recognized subspecies.[1]

Indolestes gracilis birmanus (Selys, 1891) described from Myanmar is now considered as a distinct species, Indolestes birmanus.[4]

Description and habitat

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It is a medium sized damselfly with blue eyes. Its thorax is black on dorsum with a narrow blue mid-dorsal and broad ante-humeral stripes. The lower edge of the black is like a saw-tooth, followed by azure blue on the base of the lateral sides. Wings are transparent with black or dark reddish-brown pterostigma. Abdomen is azure blue on the sides, broadly black on dorsum up to the basal half of segment 9. The apical half of segment 9 and whole of segment 10 are azure blue. There is a black spot on each side of segment 10. Anal appendages are blue; black on old males.[8]

Female is similar to the male; differs only in the eye color and color of the last segments. Segment 9 is black.[8]

  •  
    Male
  •  
    Female
  •  
    Young male
  •  
    Tandem pair

Habitat

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Indolestes gracilis gracilis is found in hill tracts up to 6,000 feet in Sri Lanka. Indolestes gracilis davenporti is found south of the Palakkad Gap, from 4,000 to 6,000 feet in Western Ghats.[8][9][10][11] Indolestes gracilis expressior is found from 1600 to 4500 feet in evergreen forest in eastern Cambodia.[3]

See also

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References

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  1. ^ a b c d e f Dow, R.A. (2010). "Indolestes gracilis". IUCN Red List of Threatened Species. 2010: e.T169134A6571794. doi:10.2305/IUCN.UK.2010-4.RLTS.T169134A6571794.en. Retrieved 19 November 2021.
  2. ^ a b "World Odonata List". Slater Museum of Natural History. Retrieved 2017-03-16.
  3. ^ a b c Oleg E. Kosterin (2015). "Taxonomical notes on Indolestes Fraser, 1922 (Lestidae, Zygoptera). 1. Indolestes gracilis expressior ssp. nov. from eastern Cambodia" (PDF). Journal of the International Dragonfly Fund. 81: 1–11. Retrieved 2017-03-16.
  4. ^ a b Oleg E. Kosterin; Roberto Poggi (2015). "Taxonomical notes on Indolestes Fraser, 1922 (Lestidae, Zygoptera). 2. Indolestes birmanus (Selys, 1891) is bona species" (PDF). Journal of the International Dragonfly Fund. 81: 13–20. Retrieved 2017-03-16.
  5. ^ Kalkman, V. J.; Babu, R.; Bedjanič, M.; Conniff, K.; Gyeltshenf, T.; Khan, M. K.; Subramanian, K. A.; Zia, A.; Orr, A. G. (2020-09-08). "Checklist of the dragonflies and damselflies (Insecta: Odonata) of Bangladesh, Bhutan, India, Nepal, Pakistan and Sri Lanka". Zootaxa. 4849 (1). Magnolia Press, Auckland, New Zealand: 001–084. doi:10.11646/zootaxa.4849.1.1. hdl:10072/398768. ISBN 978-1-77688-047-8. ISSN 1175-5334. PMID 33056748. S2CID 222819662.
  6. ^ Kimmins (1966). "Lestes (Indolestes) davenporti". Bull. Br. Mus. (Nat. Hist.) Entomol. 18: 188.
  7. ^ 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. 32–33. ISBN 978-81-8171-495-4.
  8. ^ a b c C FC Lt. Fraser (1933). The Fauna of British India, including Ceylon and Burma, Odonata Vol. I. Red Lion Court, Fleet Street, London: Taylor and Francis. pp. 65–71.
  9. ^ Subramanian, K. A. (2005). Dragonflies and Damselflies of Peninsular India - A Field Guide.
  10. ^ "Indolestes gracilis Hagen in Selys, 1862". India Biodiversity Portal. Retrieved 2017-03-08.
  11. ^ "Indolestes gracilis Hagen in Selys, 1862". Odonata of India, v. 1.00. Indian Foundation for Butterflies. Retrieved 2017-03-08.
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