Helastia siris

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Helastia siris
Helastia siris male.jpg
Male
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Hexapoda
Class:
Insecta
Order:
Lepidoptera
Family:
Geometridae
Genus:
Helastia
Species:
H. siris
Binomial name
Helastia siris
(, 1897)[1]
Synonyms[2]
  • Asaphodes siris Hawthorne, 1897

Helastia siris is a moth of the family Geometridae. This species is endemic to New Zealand. It is classified as "At Risk, Relict'" by the Department of Conservation.

Taxonomy[]

This species was first described by in 1897 using a specimen he collected in Wellington and named Asaphodes siris.[3][2] George Hudson discussed and illustrated this species in his 1898 book under the same name and in his 1928 book as synonym of Hydriomena triphragma.[4][5] In 1987 placed this species within the genus Helastia.[6] The holotype specimen is held at the Museum of New Zealand Te Papa Tongarewa.[2]

Description[]

Hudson described the species as follows:

The expansion of the wings is about 7⁄8 inch. The fore-wings are dull ochreous ; there is a small curved brown patch near the base ; then a pale band, followed by a very broad brown central band, paler in the middle ; there is a very sharp projection on the outer edge of the central band, a conspicuous black dot in the centre of the wing, and a series of minute black dots on the termen. The hind-wings are pale ochreous, with a faint central transverse line.[4]

Distribution[]

This species is endemic to New Zealand.[7][1] It occurs in Wellington, Stephens Island and in the Chatham Islands.[6] It has been collected from Baring Head.[8]

Biology and lifecycle[]

Very little is known about the biology of H. siris.[9] It is on the wing in March.[4]

Host species and habitat[]

This species prefers short tussock grassland habitat in coastal areas.[6] The host species for the larvae of H. siris is unknown.[9] It has been hypothesised the larvae of H. siris feed on the flowers of Helichrysum species and then feed on mosses, lichens or shrubs growing nearby.[10]

Conservation status[]

This moth is classified under the New Zealand Threat Classification system as being "At Risk, Relict".[11]

References[]

  1. ^ a b "Helastia siris (Hawthorne, 1897)". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 2018-05-16.
  2. ^ a b c Dugdale, J. S. (1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa" (PDF). Fauna of New Zealand. 14: 181. Retrieved 16 May 2018.
  3. ^ Hawthorne, E. F. (1897). "Descriptions of two new species of Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 29: 282–283 – via Biodiversity Heritage Library.
  4. ^ a b c Hudson, G. V. (1898). New Zealand moths and butterflies (Macro-lepidoptera). London: West, Newman & Co. p. 55. OCLC 10581623.
  5. ^ Hudson, G. V. (1928). The Butterflies and Moths of New Zealand. Wellington: Ferguson & Osborn Ltd. p. 98. OCLC 25449322.
  6. ^ a b c Craw, R. C. (1987). "Revision of the genus Helastia sensu stricto with description of a new genus (Lepidoptera: Geometridae: Larentiinae)". New Zealand Journal of Zoology. 14 (2): 269–293. doi:10.1080/03014223.1987.10422997.
  7. ^ Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia : chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 459. ISBN 978-1-877257-93-3. OCLC 973607714. OL 25288394M. Wikidata Q45922947.
  8. ^ Crisp, Philippa (2008). "Baring Head ecological values" (PDF). www.gw.govt.nz. Retrieved 16 May 2018.
  9. ^ a b Patrick, Brian; Dugdale, John S. (2000). Conservation status of the New Zealand lepidoptera (PDF). Wellington, N.Z.: Department of Conservation, New Zealand. p. 24. ISBN 978-0478218671. OCLC 154670803.
  10. ^ Patrick, Brian (2014). "Of lichens and mosses" (PDF). Butterflies and Moths of New Zealand. 11: 8.
  11. ^ Hoare, R.J.B.; Dugdale, J.S.; Edwards, E.D.; Gibbs, G.W.; Patrick, B.H.; Hitchmough, R.A.; Rolfe, J.R. (2017). Conservation status of New Zealand butterflies and moths (Lepidoptera), 2015 (PDF). Wellington, New Zealand: New Zealand Department of Conservation. p. 8. ISBN 9781988514383.

External links[]


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