Tramea stenoloba
| Narrow-lobed glider | |
|---|---|
 | |
| Male narrow-lobed glider in Cairns, Australia | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Odonata |
| Infraorder: | Anisoptera |
| Superfamily: | Libelluloidea |
| Family: | Libellulidae |
| Genus: | Tramea |
| Species: | T. stenoloba |
| Binomial name | |
| Tramea stenoloba | |
 | |
| Synonyms[3] | |
| |
Tramea stenoloba, commonly known as the narrow-lobed glider, is a species of dragonfly in the family Libellulidae.[4][5]
It occurs in the Cocos Islands, Lesser Sunda Islands, the Java Sea region and Australia.[5] In Australia it is widespread except for the far south-east of the continent.[5]
Tramea stenoloba is a medium to large dragonfly with a predominantly red thorax, dark patches at the base of the hindwings, and a red abdomen with black terminal segments.[5] Females are duller brown.[5]
Taxonomic history
In 1962, Watson established Trapezostigma stenoloba as a new species from material collected in Western Australia.[2]
In 1967, Watson reviewed Indo-Australian species of the Trapezostigma eurybia group, providing a detailed analysis of Trapezostigma stenoloba and its relationships with related species including Trapezostigma eurybia and Trapezostigma loewii.[6]
The genus Trapezostigma is now treated as a synonym of Tramea.[3]
Description
Tramea stenoloba is similar in appearance to Tramea loewii, but differs in the colouration of the thorax and the structure of the male secondary genitalia.[5][6]
The thorax is almost uniformly red, with only limited dark markings along the sutures.[5][6] The dark patch at the base of the hindwing is usually conspicuous.[5] In males, the genital lobe is long and narrow, a feature reflected in the species name stenoloba.[6]
Distribution and habitat
Tramea stenoloba inhabits riverine lagoons, lakes and ponds, including temporary ponds.[5]
Etymology
The genus name Tramea is derived from the Latin trameare ("to pass through" or "travel across"), referring to the migratory or vagrant behaviour of species in the genus.[7]
The former genus name Trapezostigma is derived from the Greek τραπέζιον (trapezion, "trapezium") and στίγμα (stigma, "spot" or "mark"), likely referring to the shape of the pterostigma.[7]
The species name stenoloba is derived from the Greek στενός (stenos, "narrow") and λοβός (lobos, "lobe"), referring to the narrow lobe of the male secondary genitalia.[6][8]
Gallery
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Male with tatty wings.jpg)
Male side view.jpg)
Male.jpg)
Female wings.jpg)
Male wings
References
- ↑ Dow, R.A. (2017). "Tramea stenoloba". IUCN Red List of Threatened Species. 2017 e.T87535281A87540049. doi:10.2305/IUCN.UK.2017-1.RLTS.T87535281A87540049.en. Retrieved 19 November 2021.
- 1 2 Watson, J.A.L. (1962). The Dragonflies (Odonata) of South-Western Australia. A guide to the identification, ecology, distribution and affinities of larvae and adults. Handbook No 7. Perth: Western Australian Naturalists' Club. p. 15.
- 1 2 Paulson, D.; Schorr, M.; Abbott, J.; Bota-Sierra, C.; Deliry, C.; Dijkstra, K.-D.; Lozano, F. "World Odonata List". OdonataCentral. University of Alabama. Retrieved 23 April 2026.
- ↑ "Species Tramea stenoloba (Watson, 1962)". Australian Faunal Directory. Australian Biological Resources Study. 2013. Retrieved 27 January 2017.
- 1 2 3 4 5 6 7 8 9 Theischinger, G; Hawking, J (2006). The Complete Field Guide to Dragonflies of Australia. Collingwood Vic.: CSIRO Publishing. p. 298. ISBN 978-0-64309-073-6.
- 1 2 3 4 5 Watson, J.A.L. (1967). "An analysis of Trapezostigma eurybia (Selys, 1878) and related Indo-Australian species (Odonata, Libellulidae)". Nova Guinea Zoology. 36: 377–400.
- 1 2 Endersby, Ian; Fliedner, Heinrich (2015). The Naming of Australia's Dragonflies. Eltham, Victoria, Australia: Busybird Publishing. ISBN 9781925260625.
- ↑ Endersby, I. (2012). "Watson and Theischinger: the etymology of the dragonfly (Insecta: Odonata) names which they published". Journal and Proceedings of the Royal Society of New South Wales. 145 (443 & 444): 34–53 [48]. doi:10.5962/p.146542. ISSN 0035-9173 – via Biodiversity Heritage Library.
