Biology:Lestoidea

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Lestoidea is a genus of damselflies in the family Lestoideidae,[1] commonly known as bluestreaks.[2]

The genus is endemic to north-east Queensland, Australia, where its species inhabit rainforest streams.[2]

Species of Lestoidea are medium-sized to large damselflies, dark brown to black in colour, with dull orange, greenish or bluish markings.[2][3] Most species have a pale spot at the base of each antenna, although this is absent in Lestoidea lewisiana.[2]

Taxonomic history

In 1913, Tillyard described the genus Lestoidea based on Lestoidea conjuncta, regarding it as intermediate between the damselfly groups then recognised as Lestes and Protoneura.[4]

For many years Lestoidea was considered to contain only a single species.[5] In 1967, Watson described a second species, Lestoidea barbarae, from north-east Queensland.[5]

In 1996, Günther Theischinger revised the genus and recognised four distinct species, describing Lestoidea brevicauda and Lestoidea lewisiana.[6]

Description

Species of Lestoidea inhabit rainforest streams in north-east Queensland, with some species restricted to particular mountain ranges or upland regions.[2][6]

The genus is distinguished by the elongated pterostigma and by reduced wing venation near the base of the wing.[2][4] Larvae are relatively flat-bodied and possess sac-like caudal gills.[2]

Species

The genus Lestoidea has four species:[7]

Etymology

The genus name Lestoidea is derived from Lestes and the Greek suffix -οειδής (oeidēs, "resembling" or "having the form of"), indicating resemblance to that genus.[4][8]

See also

  • List of Odonata species of Australia

References

  1. "Genus Lestoidea Tillyard, 1913". Australian Biological Resources Study. 2012. https://biodiversity.org.au/afd/taxa/Lestoidea;LESTOIDEIDAE. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Theischinger, Günther; Hawking, John (2006). The Complete Field Guide to Dragonflies of Australia. Collingwood, Victoria, Australia: CSIRO Publishing. pp. 40. ISBN 978-0-64309-073-6. 
  3. Watson, J.A.L.; Theischinger, G.; Abbey, H.M. (1991). The Australian Dragonflies: A Guide to the Identification, Distributions and Habitats of Australian Odonata. Melbourne: CSIRO. ISBN 0643051368. 
  4. 4.0 4.1 4.2 Tillyard, R.J. (1913). "On some new and rare Australian Agrionidae (Odonata)". Proceedings of the Linnean Society of New South Wales 37 (1912): 404–479 [428]. doi:10.5962/bhl.part.22352. Bibcode1913PLSNS..37..404T. https://www.biodiversitylibrary.org/page/2903660. 
  5. 5.0 5.1 Watson, J.A.L. (1967). "A second species of Lestoidea Tillyard from north Queensland (Odonata: Lestoidae)". Australian Journal of Zoology 15 (6): 895–901. doi:10.1071/ZO9670895. 
  6. 6.0 6.1 Theischinger, G. (1996). "The Australian species of Lestoidea Tillyard (Odonata: Lestoideidae)". Linzer biologische Beiträge 28 (1): 365–377. 
  7. "World Odonata List". University of Puget Sound. https://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/world-odonata-list2/. 
  8. Endersby, Ian (2012). "Etymology of the Dragonflies (Insecta: Odonata) named by R.J. Tillyard, F.R.S.". Proceedings of the Linnean Society of New South Wales 134: 1-16. https://openjournals.library.sydney.edu.au/LIN/article/view/5941. 

Wikidata ☰ Q743422 entry