Lamelligomphus nilgiriensis

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Lamelligomphus nilgiriensis
Onychogomphus species.jpg
Male
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Infraorder: Anisoptera
Family: Gomphidae
Genus: Lamelligomphus
Species:
L. nilgiriensis
Binomial name
Lamelligomphus nilgiriensis
(Fraser, 1922)
Synonyms [2]

Onychogomphus nilgiriensisFraser, 1922

Lamelligomphus nilgiriensis [2] is a species of dragonfly in the family Gomphidae. It is endemic to the hill streams of Western Ghats of India. [1] [3] This species has been placed by many authors in Onychogomphus but should be included in Lamelligomphus following Fraser (1934), based on the shape of the male anal appendages. [4] [5]

Contents

Description and habitat

It is a medium-sized dragonfly with bottle-green eyes. Its thorax black, marked with greenish-yellow. There is a mesothoracic collar and an oblique antehumeral stripe, generally connected with the mesothoracic collar. Even if they are separated, the lower end of the stripe is squared; not pointed as in Melligomphus acinaces . Humeral stripe is absent. Laterally there are two broad yellow stripes separated by a broad black stripe, with a yellow spot at its upper part. Abdomen is black, marked with bright citron-yellow. Segment 1 has a triangular apical spot on the dorsum and a large apico-lateral spot. Segment 2 has a dorsal longitudinal stripe, broader at the center. Segment 3 has a large base-dorsal spot. Segments 4 to 6 have two dorsal triangular spots situated close to the base. Segment 7 has yellow nearly the basal half. Segment 8 has basal spots on the sides. Segments 9 and 10 are unmarked. Anal appendages are black; but the outer and upper surfaces of the superiors are bright citron-yellow to nearly as far as the apices. The posterior two-thirds straight and the apical third curling strongly downwards and then backwards, so that its dorsum comes into contact with the dorsal surface of the inferior appendage. The inferior appendage is black, the branches curving at first downwards and then bent at a right angle and prolonged to overlap the superiors. Female is similar to the male. [4]

It can be distinguished from Melligomphus acinaces by the shape of its anal appendages. [4]

This species prefers shady mountain streams, settling on rocks or twigs in mid-stream. [6] [4] [7] [8]

See also

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References

  1. 1 2 Subramanian, K.A. (2011). "Onychogomphus nilgiriensis". IUCN Red List of Threatened Species . 2011: e.T175178A7117866.
  2. 1 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. ↑ 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. 247–248. ISBN   9788181714954.
  4. 1 2 3 4 C FC Lt. Fraser (1934). The Fauna of British India, including Ceylon and Burma, Odonata Vol. II. Red Lion Court, Fleet Street, London: Taylor and Francis. pp. 276–279.
  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. Magnolia Press, Auckland, New Zealand. 4849 (1): 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. ↑ "Onychogomphus nilgiriensis Fraser, 1922". India Biodiversity Portal. Retrieved 2017-02-12.
  7. ↑ Koparde, P.; Mhaske, P.; Patwardhan, A. (2014). "New records of dragonflies and damselflies (Insecta: Odonata) from the Western Ghats of Maharashtra, India". 6 (5): 5744–5754.{{cite journal}}: Cite journal requires |journal= (help)
  8. ↑ "Lamelligomphus nilgiriensis Fraser, 1922 – Nilgiri Clawtail". Odonata of India, v. 1.00. Indian Foundation for Butterflies. Retrieved 2017-02-12.


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