Mnesarchella hamadelpha

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Mnesarchella hamadelpha
Pl.1-05-Mnesarchaea hamadelpha Meyrick, 1888.JPG
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Mnesarchaeidae
Genus: Mnesarchella
Species:
M. hamadelpha
Binomial name
Mnesarchella hamadelpha
(Meyrick,1888) [1]
Synonyms [1]
  • Mnesarchaea hamadelphaMeyrick, 1888
  • Mnesarchaea similisPhilpott, 1924

Mnesarchella hamadelpha is a species of primitive moth in the family Mnesarchaeidae. It is endemic to New Zealand and is found in the Wellington, Marlborough Sounds, Marlborough and Nelson regions. It is frequently found at altitudes of between 800 and 1400m but can be found as low as approximately 400 m. It is often found in damp moss covered but well lit native forest. This species is very similar in appearance to M. acuta. However although M. hamadelpha is present in the same locations as M. acuta, it is usually found at higher altitudes or at later times in the year. Adults are on the wing from November to February.

Contents

Taxonomy

This species was first described by Edward Meyrick in 1888 and named Mnesarchaea hamadelpha. [2] Alfred Philpott, thinking he was describing a new species, named this species Mnesarchaea similis in 1924. [3] In 1928 George Hudson synonymised this name with Mnesarchaea hamadelpha. [4] In 2019 George William Gibbs reviewed the species within the family Mnesarchaeidae. [1] During this review he placed within the genus Mnesarchella. [1] The male lectotype specimen was collected at Mount Arthur in January by Meyrick and is held at the Natural History Museum, London. [5]

Description

M. hamadelpha drawn by George Hudson Mnesarchella hamadelpha Fig 8 MA I437922 TePapa Plate-LXI-A-supplement full (cropped).jpg
M. hamadelpha drawn by George Hudson
Mount Arthur, type locality of the lectotype of M. hamadelpha Mount Arthur (New Zealand) 112.jpg
Mount Arthur, type locality of the lectotype of M. hamadelpha

Meyrick described this species as follows:

Male. — 10-11 mm. Head, antennas, and thorax whitish-ochreous. Palpi white. Abdomen dark fuscous. Legs dark fuscous, ringed with yellow-whitish. Forewings lanceolate; whitish-ochreous; a thick blackish-fuscous streak along basal half of costa, narrowed towards base, posterior extremity dilated into a vertical triangular spot reaching more than half across wing; beyond a line from 1⁄3 of inner margin to 2⁄3 of costa the ground-colour is shining golden-brownish-ochreous; a small ill- defined dark fuscous spot towards inner margin before middle; a small white spot on costa near apex, and some scattered white scales in disc below it; a black apical spot, preceded by some white scales; three ill-defined blackish spots on hindmargin, alternating with white scales : cilia golden-ochreous, with a white spot above costal spot, a small white apical spot surrounded by some black scales, a white basal clot above middle, and a white spot towards tips below middle. Hindwings rather dark purple-fuscous; cilia purplish-fuscous, with a whitish apical dot and small white median spot. [2]

This species is very similar in appearance to M. acuta and the two can be difficult to distinguish from one another. As a general statement M. Hamadelpha has a more white basal area on its forewings which tends to be differ from the usually more ochreous colour of the same area on M. acuta forewings. [1] The two species can be more reliably distinguished through other differences. [1] Although M. hamadelpha is present in the same locations as M. acuta, it is usually found at higher altitudes or at later times in the year than M. acuta. [1]

Distribution

This species is endemic to New Zealand. [6] It is found in the Wellington, Marlborough Sounds, Marlborough and Nelson regions. [1] It is frequently found at altitudes of between 800 and 1400m but can be found as low as approximately 400 m. [1]

Habitat

M. hamadelpha is often found in damp moss covered but well lit native forest. [1]

Behaviour

This species is on the wing from November to February. [1]

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References

  1. 1 2 3 4 5 6 7 8 9 10 11 Gibbs, George W.; Kristensen, Niels P. (28 May 2019). "Mnesarchaeidae (Insecta: Lepidoptera: Hepialoidea)" (PDF). Fauna of New Zealand (in English and Māori). 78. Lincoln: Manaaki Whenua – Landcare Research: 1–105. doi:10.7931/J2/FNZ.78. ISSN   0111-5383. Wikidata   Q104802925. Archived from the original (PDF) on 19 February 2021.
  2. 1 2 Meyrick, E. (1888). "Descriptions of New Zealand Tineina". Transactions and Proceedings of the New Zealand Institute. 20: 91. ISSN   1176-6158. Wikidata   Q63125188.
  3. ↑ Philpott, Alfred (1924). "Notes and Descriptions of New Zealand Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 55: 667. ISSN   1176-6158. Wikidata   Q108264952.
  4. ↑ Hudson, G. V. (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, p. 367, LCCN   88133764, OCLC   25449322, Wikidata   Q58593286
  5. ↑ Dugdale , J. S. (23 September 1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa". Fauna of New Zealand. 14. Department of Scientific and Industrial Research: 55. doi:10.7931/J2/FNZ.14. ISSN   0111-5383. Wikidata   Q45083134.
  6. ↑ "Mnesarchella hamadelpha (Meyrick, 1888)". nztcs.org.nz. 2021. Retrieved 25 August 2021.
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