Asaphodes omichlias

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Asaphodes omichlias
Asaphodes omichlias male.jpg
Male
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae
Genus: Asaphodes
Species:
A. omichlias
Binomial name
Asaphodes omichlias
(Meyrick, 1883) [1]
Synonyms [2]
  • Pasithea omichliasMeyrick, 1883
  • Notoreas omichlias(Meyrick, 1883)

Asaphodes omichlias is a moth in the family Geometridae. [2] It is endemic to New Zealand and has been observed in both the North and South Islands. This species inhabits rocky, open country in high mountains. Adults are on the wing in January and February. The appearance of the adult of this species is variable with some specimens having a paler and more grey appearance than the more usual brown appearance. Its colouration ensures it blends well with its preferred habitat rocky, open country in the high mountains.

Contents

Taxonomy

Live observation of A. omichlias. Asaphodes omichlias 111936566.jpg
Live observation of A. omichlias.

This species was first described by Edward Meyrick in 1883 using specimens collected at Castle Hill by J. D. Enys and named Pasithea omichlias. [3] Meyrick gave a fuller description of the species later in 1884. [4] George Hudson discussed and illustrated this species in his 1898 volume New Zealand moths and butterflies and referred to it as Notoreas omichlias. [5] He used that same name when he discussed and illustrated the species in 1928. [6] In 1987 Robin C. Craw, after considering the genital structure of this species, proposed assigning this species to the genus Asaphodes. [7] Dugdale agreed with this and placed this species in the genus Asaphodes in 1988. [2] The male lectotype, collected at Castle Hill, Canterbury, is held at the Canterbury Museum. [2]

Description

Illustration of male A. omichlias by George Hudson. MA I437613 TePapa Plate-XIV-The-butterflies full (cropped).jpg
Illustration of male A. omichlias by George Hudson.

Meyrick described this species as:

Male.—25–26 mm. Forewings moderate, hindmargin rounded; dark grey, irrorated with whitish; several obscure dark fuscous lines towards base; a slender curved dark fuscous fascia before middle; a blackish discal dot; a somewhat broader irregular subdentate dark fuscous fascia beyond middle, forming a short bidentate projection in middle, and a shorter simple projection towards costa; sometimes two pale lines beyond this, and a pale subterminal line; a blackish-grey hindmarginal line; cilia pale grey. Hindwings moderate, hindmargin rounded; rather dark grey; three faintly indicated darker median lines alternating with paler; a blackish-grey hindmarginal line; cilia whitish-grey. [4]

This species is variable in appearance with the transverse lines on the forewings as well as the presence of a discal dot on the forewings being liable to change. [6] At some locations specimens can be greyer and paler than the more usual brown appearance. [6]

Distribution

This species is endemic to New Zealand and has been observed in the North and South Islands. [1] [6] The range of this species appears to be from the centre of the North Island southward to the south west of the South Island. [8] It is regarded as being common in the western or main divide mountains in the South Island. [9] It has been observed in the type locality of this species, Castle Hill, the Tararua Range, the Mount Arthur tableland, the mountains around Lake Wakatipu and the Hunter Mountains. [6]

Habitat

This species prefers rocky, open country in high mountains, normally above the tree line. [6] [8]

Behaviour

This species is on the wing in January and February. [6] This species has been observed flying during the day. [8] Adults often settle on grey coloured rocks where its forewing pattern ensures it is well camouflaged. [8] The life history of this species including its larval host species appears not yet to be published. [8]

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References

  1. 1 2 "Asaphodes omichlias (Meyrick, 1883)". www.nzor.org.nz. Retrieved 2022-01-22.
  2. 1 2 3 4 John Stewart Dugdale (23 September 1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa". Fauna of New Zealand. Department of Scientific and Industrial Research. 14: 173–174. doi:10.7931/J2/FNZ.14. ISSN   0111-5383. Wikidata   Q45083134.
  3. ↑ Meyrick, Edward (1883). "Monograph of New Zealand Geometrina". New Zealand Journal of Science. 1: 526–531 – via Biodiversity Heritage Library.
  4. 1 2 Edward Meyrick (May 1884). "A Monograph of the New Zealand Geometrina". Transactions and Proceedings of the New Zealand Institute. 16: 78. ISSN   1176-6158. Wikidata   Q109615359.
  5. ↑ Hudson, G. V. (1898). New Zealand moths and butterflies (Macro-lepidoptera). London: West, Newman & co. p. 76. doi:10.5962/bhl.title.7912.
  6. 1 2 3 4 5 6 7 George Vernon Hudson (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington, p. 127, LCCN   88133764, OCLC   25449322, Wikidata   Q58593286
  7. ↑ R.C. Craw (January 1986). "Review of the genus Notoreas (sensu auctorum) (Lepidoptera: Geometridae: Larentiinae)". New Zealand Journal of Zoology. 13 (1): 132. doi:10.1080/03014223.1986.10422654. ISSN   0301-4223. Wikidata   Q54637584.
  8. 1 2 3 4 5 David Edward Gaskin (1966). "The butterflies and common moths of New Zealand". New Zealand: 140. Wikidata   Q115000559.
  9. ↑ Patrick, Brian (1994). Hawkdun Ecological District invertebrate survey (PDF). Wellington, N.Z.: Dept. of Conservation. ISBN   0-478-01553-4. OCLC   53885579.
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