Epichorista tenebrosa

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Epichorista tenebrosa
Epichorista tenebrosa AMNZ21948.jpg
Male
Status NZTCS REL.svg
Relict (NZ TCS)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Epichorista
Species:
E. tenebrosa
Binomial name
Epichorista tenebrosa
Philpott, 1917 [1]

Epichorista tenebrosa is a species of moth of the family Tortricidae. [2] This species is endemic to New Zealand. It is found only in Central Otago and has been collected in tussock grassland habitats. It is a late autumn emerging moth and adults are on the wing in February. It is classified as "At Risk, Relict'" by the Department of Conservation.

Contents

Taxonomy

This species was first described by Alfred Philpott in 1917 from a specimen collected at Ben Lomond by Charles E. Clarke in February. [3] [4] In 1926 Meyrick confirmed the placement of this species in the genus Epichorista. [5] George Hudson discussed and illustrated this species in his 1928 book The Butterflies and Moths of New Zealand. [6] The genus level classification of New Zealand endemic moths within Epichorista is regarded as unsatisfactory and needs revision. [7] [1] As such this species is currently also known as Epichorista (s.l.) tenebrosa. [2] The male holotype is held at the Auckland War Memorial Museum. [4]

Description

Illustration of male. Fig 10 MA I437909 TePapa Plate-XLVIII-The-butterflies full (cropped).jpg
Illustration of male.
Illustration of female. Fig 11 MA I437909 TePapa Plate-XLVIII-The-butterflies full (cropped).jpg
Illustration of female.

Philpott described the species as follows:

♂︎ 25-28 mm.; ♀︎ 22 mm. Head and palpi ochreous-grey mixed with brown, palpi 3. Antennal ciliations of ♂︎ 1+1⁄2. Thorax purplish-brown sprinkled with brown. Abdomen ochreous-grey. Forewings elongate-triangular in ♂︎, suboblong in ♀︎, costa almost straight, without fold, apex obtuse, termen subsinuate, hardly oblique; dull grey-brawn with purplish gloss and numerous obscure strigulations of reddish or fuscous; margin of basal patch usually indicated by a more pronounced irregular strigula; median fascia from 1⁄3 costa, irregular, outwardly oblique, inner margin only marked : cilia grey mixed with brown. Hindwings fuscous-grey, obscurely mottled with darker : cilia grey with darker basal line. [3]

The female has shortened wings. [8]

Distribution

Ben Lomond, type locality for E. tenebrosa. Snow-dusted Ben Lomond from near beginning of Ben Lomond track.jpg
Ben Lomond, type locality for E. tenebrosa.

This species is endemic to New Zealand. [9] It is found in Central Otago. As well as its type locality, this species has also been found in Naseby State Forest, at Roaring Meg and South Rough Ridge Hill. [8] It has also been found at the Coronet Peak ski field. [10]

Behaviour

This species is a late autumn emerging moth. [11] It is on the wing in February. [6]

Habitat

Hudson noted that the type specimen was found at an altitude of 4000 ft in tussock grasslands. [6] The species has subsequently been collected from similar habitat. [8]

Conservation status

This moth is classified under the New Zealand Threat Classification system as being "At Risk, Relict" as it has a very small population. [12]

References

  1. 1 2 "Epichorista tenebrosa Philpott, 1917". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 2018-05-17.
  2. 1 2 Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia: chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 464. ISBN   978-1-877257-93-3. OCLC   973607714. OL   25288394M. Wikidata   Q45922947.
  3. 1 2 Philpott, A. (1917). "Descriptions of new species of Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 49: 243–244. Retrieved 17 May 2018.
  4. 1 2 Dugdale, J. S. (1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa" (PDF). Fauna of New Zealand. 14: 123. Archived from the original (PDF) on 27 January 2019. Retrieved 16 May 2018.
  5. ↑ Edward Meyrick (1923). "Descriptions of New Zealand Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 54: 163. ISSN   1176-6158. Wikidata   Q63102493 – via Biodiversity Heritage Library.
  6. 1 2 3 Hudson, G. V. (1928). The Butterflies and Moths of New Zealand. Wellington: Ferguson & Osborn Ltd. p. 237. OCLC   25449322.
  7. ↑ Patrick, Brian (2014-12-01). "Conservation status of five data deficient moth taxa: Epichorista lindsayi, "Cnephasia" paterna, Stathmopoda endotherma, Gymnobathra ambigua and Scythris "stripe"". The Weta. 48: 15–34. Archived from the original on 2018-05-04. Retrieved 2018-05-17.
  8. 1 2 3 Barratt, B. I. P.; Patrick, B. H. (1987). "Insects of snow tussock grassland on the East Otago Plateau". New Zealand Entomologist. 10 (1): 69–98. doi:10.1080/00779962.1987.9722513 . Retrieved 17 May 2018.
  9. ↑ Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia: chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 464. ISBN   978-1-877257-93-3. OCLC   973607714. OL   25288394M. Wikidata   Q45922947.
  10. ↑ Crown Pastoral Land Tenure Review Coronet Peak Conservation Resources Report - Part 2 (PDF) (Report). Land Information New Zealand. 2006. p. APPENDIX 6: Invertebrate Species List. Retrieved 25 February 2022.
  11. ↑ "Lammermoor Windfarm Decision" (PDF). www.qldc.govt.nz. Environment Court of New Zealand. 2009. Archived from the original (PDF) on 31 January 2018. Retrieved 17 May 2018.
  12. ↑ 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.
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