Biology:Apocordulia

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Apocordulia is a genus of dragonflies in the family Austrocorduliidae, endemic to south-eastern Australia.[1][2] It is monotypic, containing a single species, Apocordulia macrops.[3]

Apocordulia macrops, commonly known as the nighthawk, is a medium-sized, dull-coloured dragonfly with large eyes. It inhabits inland rivers within the Murray–Darling Basin and is crepuscular, being most active at dawn and dusk.[4][5]

Etymology

The word Apocordulia is derived from two words: apo from the Greek ἀπό meaning from or away, and Cordulia the genus of dragonfly. Tony Watson described the dragonfly genus Apocordulia as appearing different to the normal appearance of a Cordulia dragonfly.[6][7]

The species name macrops is derived from two Greek words makros (μακρός) meaning long, and ops (ὤψ) meaning eye, describing the long eye seam.[6][7]

  • Female Apocordulia macrops wings
    Female Apocordulia macrops wings
  • Male Apocordulia macrops wings
    Male Apocordulia macrops wings

Taxonomy

In earlier higher-level classifications, the placement of Apocordulia was uncertain and it was considered incertae sedis within the superfamily Libelluloidea.[8]

A comprehensive phylogenetic revision of emerald and tigertail dragonflies by Goodman et al. (2025) reinstated the family Austrocorduliidae (stat. rev.) and showed that Apocordulia belongs within that family.[1] This replaces earlier treatments that placed Apocordulia variously in Corduliidae or Synthemistidae.[4]

See also

  • List of Odonata species of Australia

References

  1. ↑ 1.0 1.1 Goodman, Aaron; Abbott, John C.; Bybee, Seth M.; Ehlert, Juliana; Frandsen, Paul B.; Guralnick, Rob; Kalkman, Vincent J.; Newton, Lacie et al. (2025-10-09). "Systematic and taxonomic revision of emerald and tigertail dragonflies (Anisoptera: Synthemistidae and Corduliidae)". Systematic Entomology. doi:10.1111/syen.70000. 
  2. ↑ "World Odonata List". University of Puget Sound. https://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/world-odonata-list2/. 
  3. ↑ "Species Apocordulia macrops Watson, 1980". Australian Biological Resources Study. 2022. https://biodiversity.org.au/afd/taxa/Apocordulia_macrops. 
  4. ↑ 4.0 4.1 Theischinger, Günther; Hawking, John (2021). The Complete Field Guide to Dragonflies of Australia (2nd ed.). Melbourne, Australia: CSIRO Publishing. pp. 406. ISBN 978-1-4863-1374-7. 
  5. ↑ 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 0-643-05136-8. 
  6. ↑ 6.0 6.1 Watson, J.A.L. (1980). "Apocordulia macrops, a new crepuscular gomphomacromiine dragonfly from south-eastern Australia (Odonata: Corduliidae)". Journal of the Australian Entomological Society 19 (4): 287–292 [287]. doi:10.1111/j.1440-6055.1980.tb00988.x. 
  7. ↑ 7.0 7.1 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. doi:10.5962/p.146542. ISSN 0035-9173. https://www.biodiversitylibrary.org/page/46371075. 
  8. ↑ Dijkstra, Klaas-Douwe B.; Bechly, Günter; Bybee, Seth M.; Dow, Rory A.; Dumont, Henri J.; Fleck, Günther; Garrison, Rosser W.; Hämäläinen, Matti et al. (2013). "The classification and diversity of dragonflies and damselflies (Odonata). In: Zhang, Z.-Q. (Ed.) Animal Biodiversity: An Outline of Higher-level Classification and Survey of Taxonomic Richness (Addenda 2013)" (in en). Zootaxa 3703 (1): 36–45. doi:10.11646/zootaxa.3703.1.9. ISSN 1175-5334. https://mapress.com/zt/article/view/zootaxa.3703.1.9. 
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