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Austroperla

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Genus of stoneflies

Austroperla
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Plecoptera
Family: Austroperlidae
Genus: Austroperla
Needham, 1905
Species: A. cyrene
Binomial name
Austroperla cyrene
(Newman, 1845)

Austroperla cyrene, the black stonefly, is a species of austroperlid stonefly endemic to New Zealand. It is the single species in the genus Austroperla. The species is a 'shredder' that lives and feeds on decomposing wood and leaves in streams throughout New Zealand. It is particularly common in forested streams but relatively rare or absent from deforested streams.

A. cyrene nymphs and adults contain hydrogen cyanide and as a result are toxic to predators. To advertise their toxicity, A. cyrene adults have striking aposematic (warning) colouration, with bright yellow and white colour features against a black background.

This distinctive warning coloration is mimicked by melanic specimens of the non-toxic stoneflies Zelandoperla fenestrata and Taraperla pseudocyrene.

A fossilised specimen of Austroperla has been recorded from early Miocene sediments of Foulden Maar in Central Otago. A phylogenetic study of Southern Hemisphere stoneflies similarly suggests an ancient history for this New Zealand lineage, with Austroperla estimated to have diverged from Australian and Chilean austroperlids around 37 million years ago.

References

  1. ^ McLellan, Ian (1997). "Austroperla cyrene Newman (Plecoptera: Austroperlidae)". New Zealand Journal of Zoology. 27 (2): 271–278. Bibcode:1997JRSNZ..27..271M. doi:10.1080/03014223.1997.9517538.
  2. Anderson, NH (1982). "A survey of aquatic insects associated with wood debris in New Zealand streams". Mauri Ora. 10: 21–33.
  3. ^ Thomson, Margaret (1934). "An account of the systematics, anatomy and bionomics of Austroperla cyrene Newman". University of Canterbury MSC Thesis.
  4. Harding, Jon; Winterbourn, Michael (1995). "Effects of contrasting land use on physico-chemical conditions and benthic assemblages of streams in a Canterbury (South Island, New Zealand) river system". New Zealand Journal of Marine and Freshwater Research. 29 (4): 479–492. Bibcode:1995NZJMF..29..479H. doi:10.1080/00288330.1995.9516681.
  5. ^ Foster, Brodie; McCulloch, Graham; Foster, Yasmin; Kroos, Gracie; King, Tania; Waters, Jonathan (2023). "ebony underpins Batesian mimicry in melanic stoneflies". Molecular Ecology. 32 (18): 4986–4998. Bibcode:2023MolEc..32.4986F. doi:10.1111/mec.17085. PMID 37503654.
  6. Foster, Brodie; McCulloch, Graham; Waters, Jonathan (2021). "Evidence for aposematism in a southern hemisphere stonefly family (Plecoptera: Austroperlidae)". Austral Entomology. 60 (2): 267–275. doi:10.1111/aen.12529.
  7. McCulloch, Graham; Wallis, Graham; Waters, Jonathan (2016). "A time-calibrated phylogeny of southern hemisphere stoneflies: Testing for Gondwanan origins". Molecular Phylogenetics and Evolution. 96: 150–160. Bibcode:2016MolPE..96..150M. doi:10.1016/j.ympev.2015.10.028. PMID 26585029.
Taxon identifiers
Austroperla
Austroperla cyrene
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