Isonomeutis restincta

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Isonomeutis restincta
Isonomeutis restincta 59955894.jpg
Observed in Kaeo
Status NZTCS NU.svg
Naturally Uncommon (NZ TCS) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Copromorphidae
Genus: Isonomeutis
Species:
I. restincta
Binomial name
Isonomeutis restincta
Meyrick, 1923 [2]

Isonomeutis restincta, the marbled snouter, is a species of moth in the family Copromorphidae. It is endemic to New Zealand where it is likely found in the northern parts of the North Island. Not much is known of the life history of this species but it has been hypothesised that it is a scale insect predator. The adults of this species are on the wing from November to January. This species has been classified as "At Risk, Naturally Uncommon" by the Department of Conservation.

Contents

Taxonomy

This species was first described by Edward Meyrick in 1923 using a specimen collected by George Vernon Hudson at Kaeo, north of Auckland. [3] Hudson discussed and illustrated this species in his 1928 publication The Butterflies and Moths of New Zealand. [4] The male holotype specimen, collected at Kaeo in Northland, is held at the Natural History Museum, London. [5]

Description

Illustration of female I. restincta by George Hudson. Fig 13 MA I437910 TePapa Plate-XLIX-The-butterflies full (cropped).jpg
Illustration of female I. restincta by George Hudson.

Meyrick described the species as follows:

♀︎. 12 mm. Head brownish, sides of crown sprinkled with whitish. Palpi brownish sprinkled with dark fuscous, towards base beneath and on upper edge sprinkled with whitish. Thorax brownish. Abdomen rather dark fuscous, mixed laterally with white and on edges of two basal segments. Forewings elongate, not dilated posteriorly, costa gently arched, apex obtuse, termen very obliquely rounded ; white-brownish, irregularly and coarsely sprinkled with dark fuscous ; markings formed by suffused dark-fuscous irroration ; a streak along basal 2⁄5 of costa ; a moderate median fascia angulated in middle, posterior edge of angulation with a stronger dark-fuscous mark: cilia pale-brownish, basal third sprinkled with whitish and marked with well-defined spots of dark-fuscous irroration. Hindwings 6 absent; pale-brownish, speckled with fuscous; a transverse whitish spot on tornus, preceded and followed by dark-fuscous suffusion: cilia pale-brownish, with darker subbasal line, round tornus mixed at base with whitish and dark fuscous. [3]

Distribution

Isonomeutis restincta is endemic to New Zealand. [6] [2] It occurs in the Northland, Auckland and Taupō districts and in the Pureora Forest. [7] In 1939 Hudson also stated in occurred in Wiltons bush in Wellington however, given he mistakenly illustrated its close relative I. amauropa as I. restincta in that publication this statement is in doubt. [8] [5]

Biology and life history

Very little of the life history of this species is known. [7] The adults have been recorded as being on the wing in November, [9] December [9] and January. [4]

Habitat and host species

The host species of the larvae of I. restincta is unknown. [7] However it has been hypothesised that it is a scale insect predator like I. amauropa. [10]

Conservation status

This species has been classified as having the "At Risk, Naturally Uncommon" conservation status, with the qualifier of being range restricted, under the New Zealand Threat Classification System. [1]

Related Research Articles

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References

  1. 1 2 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). New Zealand Threat Classification Series. 20: 8. ISBN   9781988514383.
  2. 1 2 "NZOR Name Details - Isonomeutis restincta Meyrick, 1923". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 19 January 2018.
  3. 1 2 Meyrick, Edward (1923). "Descriptions of New Zealand Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 54: 162–169 – via Biodiversity Heritage Library.
  4. 1 2 Hudson, G. V. (1928). The Butterflies and Moths of New Zealand. Wellington: Ferguson & Osborn Ltd. p. 297. OCLC   25449322. Archived from the original on 2020-09-28. Retrieved 2018-05-23.
  5. 1 2 Dugdale, J. S. (1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa" (PDF). Fauna of New Zealand. 14: 1–269. ISBN   0477025188. Archived from the original (PDF) on 27 January 2019. Retrieved 3 February 2018.
  6. ↑ Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia: chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 457. ISBN   978-1-877257-93-3. OCLC   973607714. OL   25288394M. Wikidata   Q45922947.
  7. 1 2 3 Patrick, B. H.; Dugdale, J. S. (2000). "Conservation status of the New Zealand Lepidoptera" (PDF). Science for Conservation. 136. Department of Conservation, New Zealand: 25. ISSN   1173-2946.
  8. ↑ Hudson, G. V. (1939). A supplement to the butterflies and moths of New Zealand. Wellington: Ferguson & Osborn Ltd. p. 454. OCLC   221041540 . Retrieved 23 May 2018.
  9. 1 2 Patterson., S. C. (1930). "List of Lepidoptera of Whangarei". Transactions and Proceedings of the New Zealand Institute. 61: 554–561.
  10. ↑ Hoare, R. (2004). "The Duke's Awful Dilemma (or, the DAD)". The Weta. 27: 49–52.
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