Izatha psychra
| Izatha psychra | |
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| Species: | I. psychra
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| Izatha psychra | |
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Izatha psychra is a species of moth in the family Oecophoridae. It is endemic to New Zealand. It is classified as Nationally Endangered by the Department of Conservation.
Taxonomy
This species was first described by Edward Meyrick and named Aochleta psychra in 1884 using a male specimen collected by John Davies Enys at Porters Pass.[3][4] This type specimen is held at the Natural History Museum, London.[4] George Vernon Hudson repeated Meyricks description in his 1928 publication The Butterflies and Moths of New Zealand.[5] In 1988 John S. Dugdale assigned Aochleta psychra to the genus Izatha.[4] Neither the larva nor the female of this species are known or have been described.[6]
Description
Meyrick described the species as follows:
Male. — 21 mm. Head and thorax grey-whitish, sprinkled with fuscous- grey. Palpi grey- whitish, mixed with fuscous, basal half of second joint dark fuscous externally, terminal joint with a slender dark fuscous ring above middle. Antennas grey. Abdomen grey-whitish. Legs dark- fuscous, posterior tibiae with grey-whitish hairs, all tarsi with obscure whitish rings at apex of joints. Forewings elongate, slightly dilated, costa gently arched, apex obtuse, hindmargin oblique, nearly straight ; whitish, irregularly irrorated with grey and fuscous scales ; these tend to form suffused markings, a spot on middle of inner margin, another above anal angle, a narrow suffusion along posterior half of costa, and an apical patch ; a small cloudy darker spot towards hindmargin in middle ; a minute black dot in disc at 1⁄3, another slightly above it in middle, and a very small blackish ocellus in disc at 2⁄3 : cilia whitish, with two cloudy grey lines. Hindwings whitish ; cilia whitish, with two faint grey lines.[3]
It is possible to confuse this species with some of the greyish coloured species within the genus Tingena.[6] However I. psychra can be distinguished as it lacks the antennal pecten of the Tigena species.[6]
Distribution
This species is endemic to New Zealand,[2][7] and has only been found in the southern half of the South Island. I. psychra is only known from two localities, its type locality of Porters Pass where it hasn't been seen since the 19th century, and the small Pukaki Scientific Reserve near Lake Pukaki in the Mackenzie Basin.[6]
Ecology and habitat
In the one remain site where this species is known to exist, the habitat is shrubland.[6] Male adults are on the wing from January to February.[6]
Host species
The host species of this moth are unknown,[6] however larvae are likely to feed on dead wood.[8]
Conservation status
Despite being given a level of protection by being classified as a Scenic Reserve, the lone shrubland site inhabited by I. psychra is vulnerable to wilding pine invasion and fire.[6] As a result, this species has been classified under the New Zealand Threat Classification system as being Nationally Endangered.[1]
References
- ^ a b 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. 6. ISBN 9781988514383.
- ^ a b "Izatha psychra (Meyrick, 1883)". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 2 May 2018.
- ^ a b Meyrick, Edward (1884). "On New Zealand Micro-Lepidoptera". Transactions and Proceedings of the Royal Society of New Zealand. 16: 1–49. Retrieved 8 April 2018.
- ^ a b c Dugdale, J. S. (1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa" (PDF). Fauna of New Zealand. 14: 96 – via Landcare Research New Zealand Ltd.
- ^ Hudson, G. V. (1928). The Butterflies and Moths of New Zealand. Wellington: Ferguson & Osborn Ltd. p. 277.
- ^ a b c d e f g h Hoare, Robert J. B. (2010). "Izatha (Insecta: Lepidoptera: Gelechioidea: Oecophoridae)" (PDF). Fauna of New Zealand. 65: 1–201.
- ^ Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity. Volume two. Kingdom animalia : chaetognatha, ecdysozoa, ichnofossils. Vol. Vol. 2. Christchurch, N.Z.: Canterbury University Press. p. 463. ISBN 9781877257933. OCLC 973607714.
{{cite book}}:|volume=has extra text (help) - ^ Patrick, Brian; Dugdale, John S. (2000). Conservation status of the New Zealand Lepidoptera (PDF). Wellington, New Zealand: Department of Conservation. p. 28. ISBN 0478218672.
External links
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