Hemideina thoracica

Hemideina thoracica
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Orthoptera
Suborder: Ensifera
Family: Anostostomatidae
Genus: Hemideina
Species: H. thoracica
Binomial name
Hemideina thoracica
(White, 1846)
Synonyms
  • Deinacrida thoracica White, 1846
  • Hemideina attenuata Walker, 1869
  • Hemideina nitens Colenso, 1888
  • Hemideina huttoni Kirby, 1906

Hemideina thoracica, commonly known as the Auckland tree weta, is a weta of the family Anostostomatidae.[1] It is found in New Zealand, over most of the North Island, except for the Wellington area and regions above 900 metres above sea level.[2] This arboreal, herbivorous[3] generalist is found in all wooded habitats, including forest, scrub and suburban gardens.[4][5][6]

Hemideina thoracica female

Hemideina thoracica is morphologically uniform but chromosomally polymorphic.[7][8] It comprises at least eight chromosomal races with diploid numbers from 2n = 11 (XO) to 2n = 23 (XO). There are hybrid zones where some of the chromosomal races meet[8].

The species was first described by Adam White in 1846.[9]

The conservation status of Hemideina thoracica is "not threatened" but the chromosome race on Karikari Peninsular (2n=23/24) is listed as "nationally vunerable".[10]

References

  1. ↑ "Weta (Tree) Auckland (Hemideina thoracica)". www.terrain.net.nz. T.E.R:R.A.I.N - Taranaki Educational Resource: Research, Analysis and Information Network. Retrieved 2017-08-18.
  2. ↑ Pratt, Renae C; Morgan-Richards, Mary; Trewick, Steve A (2008-10-27). "Diversification of New Zealand weta (Orthoptera: Ensifera: Anostostomatidae) and their relationships in Australasia". Philosophical Transactions of the Royal Society B: Biological Sciences. 363 (1508): 3427–3437. doi:10.1098/rstb.2008.0112. ISSN 0962-8436. PMC 2607373. PMID 18782727.
  3. ↑ Wehi, Priscilla M.; Hicks, Brendan J. (2010). "Isotopic fractionation in a large herbivorous insect, the Auckland tree weta". Journal of Insect Physiology. 56 (12): 1877–1882. doi:10.1016/j.jinsphys.2010.08.005. ISSN 0022-1910.
  4. ↑ Trewick, Steven A.; Morgan‐Richards, Mary (1995-12-01). "On the distribution of tree weta in the North Island, New Zealand". Journal of the Royal Society of New Zealand. 25 (4): 485–493. doi:10.1080/03014223.1995.9517498. ISSN 0303-6758.
  5. ↑ Field, L. H. (2001-03-09). The Biology of Wetas, King Crickets and Their Allies. CABI. ISBN 9780851997827.
  6. ↑ "Tree weta". wetageta.massey.ac.nz. Retrieved 2017-09-03.
  7. ↑ Morgan-Richards, M (1997). "Intraspecific karyotype variation is not concordant with allozyme variation in the Auckland tree weta of New Zealand, Hemideina thoracica (Orthoptera: Stenopelmatidae)". Biological Journal of the Linnean Society. 60: 423–442.
  8. 1 2 Morgan-Richards, Mary; Wallis, Graham P. (2003). "A Comparison of Five Hybrid Zones of the Weta Hemideina thoracica (Orthoptera: Anostostomatidae): Degree of Cytogenetic Differentiation Fails to Predict Zone Width". Evolution. 57 (4): 849–861. doi:10.2307/3094621. JSTOR 3094621.
  9. ↑ White, Adam (1846). "Insects". The zoology of the voyage of the H.M.S. Erebus & Terror. 2: 25 – via Biodiversity Heritage Library.
  10. ↑ "The conservation status of New Zealand Orthoptera". ResearchGate. Retrieved 2017-09-03.


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