Izatha metadelta is a moth of the family Oecophoridae.[2] It is endemic to New Zealand, where it is known from the North Island only. It is rare north of Waikato and the Bay of Plenty.[3]
| Izatha metadelta | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Oecophoridae |
| Genus: | Izatha |
| Species: | I. metadelta
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| Binomial name | |
| Izatha metadelta Meyrick, 1905
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| Synonyms[1] | |
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Taxonomy
editThis species was first described by Edward Meyrick in 1905 using three specimens collected in Wellington by George Hudson.[4][5] The lectotype specimen is held at the Natural History Museum, London.[5] Hudson discussed and illustrated this species in his 1928 publication The Butterflies and Moths of New Zealand.[6]
Description
editThe wingspan is 15–18.5 mm for males and 19–25.5 mm for females.[3] Meyrick first described this species as follows:[4]
♂. 17 mm, ♀. 19-25 mm. Head fuscous sprinkled with whitish, with well-marked conical horny frontal prominence concealed in scales. Palpi white, second joint mixed with dark fuscous, with dark fuscous basal and subapical bands, terminal joint mixed with dark fuscous at base, with dark fuscous median band. Antennae dark fuscous ringed with whitish. Thorax whitish, mixed with fuscous in ♂, on patagia ochreous-tinged, anteriorly suffused with dark fuscous. Abdomen dark fuscous mixed with whitish, two basal segments ferruginous-ochreous. Fore-wings elongate, moderate, costa gently arched, apex obtuse, termen straight, rather oblique, rounded beneath ; brownish -ochreous or fuscous, more or less sprinkled with whitish and dark fuscous, darkest in ♂, towards costa and dorsum suffused with whitish in ♀; dark fuscous marks at base of costa and dorsum ; a small fuscous spot on costa at 1⁄6, and a larger triangular one on dorsum at 1⁄3, latter followed in ♀ by a patch of ochreous suffusion ; a dark fuscous subquadrate spot on costa before middle, and a larger subtriangular one extending on costa from middle to 3⁄4 ; two dark fuscous transverse discal spots before and beyond middle, touching these costal spots respectively, partially edged with black and then with white, first suboval, mostly filled with raised scales, second curved -reniform, lower posterior margin broadly interrupted ; in ♂ two undefined longitudinal discal black- ish streaks traversing these spots ; an ill-defined cloudy whitish curved subterminal line ; a terminal series of small dark fuscous spots: cilia fuscous sprinkled with whitish. Hind-wings in ♂ blackish-fuscous, in ♀ dark fuscous, lighter anteriorly ; cilia fuscous, with darker basal shade.
Adults have been recorded in December, January and February.
References
edit- ^ "New Zealand Land Invertebrates". nzinverts.landcareresearch.co.nz. Retrieved 12 July 2019.
- ^ Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia: chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 463. ISBN 978-1-877257-93-3. OCLC 973607714. OL 25288394M. Wikidata Q45922947.
- ^ a b Hoare, Robert J. B. (2 September 2010). "Izatha (Insecta: Lepidoptera: Gelechioidea: Oecophoridae)" (PDF). Fauna of New Zealand. 65. Birgit E. Rhode: 1–201. Archived from the original (PDF) on 26 January 2019. Retrieved 12 July 2019 – via Manaaki Whenua Landcare Research.
- ^ a b Meyrick, Edward (1905). "Notes on New Zealand Lepidoptera". Transactions of the Entomological Society of London. 53: 219–244 – via Biodiversity Heritage Library.
- ^ a b Dugdale, J. S. (1988). "Lepidoptera — annotated catalogue, and keys to family-group taxa" (PDF). Fauna of New Zealand. 14. Wellington, N.Z.: 95. ISBN 0477025188. OCLC 20332003. Archived from the original (PDF) on 27 January 2019. Retrieved 13 July 2019.
- ^ Hudson, G. V. (1928). The Butterflies and Moths of New Zealand. Wellington: Ferguson & Osborn Ltd. p. 281. Archived from the original on 28 September 2020. Retrieved 12 July 2019.
External links
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