Ischnura senegalensis

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Ischnura senegalensis
Ischnura senegalensis(Male , Japan , 2018.09.02).jpg
male
Ischnura senegalensis(Female,Japan,2018.10.08).jpg
female
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Suborder: Zygoptera
Family: Coenagrionidae
Genus: Ischnura
Species:
I. senegalensis
Binomial name
Ischnura senegalensis
(Rambur, 1842)
Synonyms
  • Agrion senegalenseRambur, 1842
  • Enallagma brevispinaSelys, 1876

Ischnura senegalensis, [2] [1] also known variously as common bluetail , [3] marsh bluetail, [3] ubiquitous bluetail, African bluetail, and Senegal golden dartlet, [3] [4] is a widespread damselfly of the family Coenagrionidae. It is native from Africa, through the Middle East, to southern and eastern Asia. [1] [5]

Contents

Description and habitat

It is a small damselfly with black capped bluish green eyes. Its thorax is black on dorsum and greenish blue on the sides. Its abdomen is black on dorsum up to segment 7. Segments 1 and 2 are greenish blue and 3 to 7 are khaki yellow on the sides. Segments 8 and 9 are azure blue, with 9 black on dorsum. Segment 10 is black on dorsum and khaki yellow on the sides. The green on thorax and abdomen may turn to blue in both male and female when aged. [6]

The females of this species exhibit sexual mimicry. One group mimics the males’ colour (androchromes). Other group will have their own female colouration (gynochromes). Androchrom female looks exactly like the male except in sexual characteristics. In gynochrome, the eyes are olive green with orange above. Sides of the thorax is mud colored, will pale when matured. All the abdominal segments are marked with black on dorsum. The lateral sides are khaki yellow. Segments 1–2 and 8–10 have orange color laterally, will fade when matured. [6]

It breeds in marshes, weedy ponds and wetlands. [6] [7] [8] [3] [4]

See also

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References

  1. 1 2 3 Sharma, G.; Clausnitzer, V. (2016). "Ischnura senegalensis". IUCN Red List of Threatened Species . 2016: e.T59897A75436136. doi: 10.2305/IUCN.UK.2016-3.RLTS.T59897A75436136.en . Retrieved 20 November 2021.
  2. ↑ 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.
  3. 1 2 3 4 "Ischnura senegalensis Rambur, 1842". India Biodiversity Portal. Retrieved 2017-03-03.
  4. 1 2 "Ischnura senegalensis Rambur, 1842". Odonata of India, v. 1.00. Indian Foundation for Butterflies. Retrieved 2017-03-03.
  5. ↑ 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. 163–164. ISBN   9788181714954.
  6. 1 2 3 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.  348-351.
  7. ↑ C FC Lt. Fraser (1924). A Survey of the Odonate (Dragonfly) Fauna of Western India and Descriptions of Thirty New Species (PDF). pp. 489–490.
  8. ↑ Subramanian, K. A. (2005). Dragonflies and Damselflies of Peninsular India - A Field Guide.


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