This is a list of taxa comprising the flora of the Antipodes Islands. It includes some species known as megaherbs.
The yellow admiral or Australian admiral is a butterfly native to Australia, New Zealand, Lord Howe Island, and Norfolk Islands. The Māori name is kahukōwhai, which means "yellow cloak". The yellow admiral is a member of the family Nymphalidae, the subfamily Nymphalinae as well as the tribe Nymphalini.
Ichneutica ustistriga is a moth of the family Noctuidae. It is endemic to New Zealand and can be found from the Three Kings Islands to Stewart Island. This species lives in a wide variety of habitats including domestic gardens, horticultural areas, orchards, native and exotic grasslands, as well as native forest. The larvae eat a variety of herbaceous plants. Recorded food plants include Muehlenbeckia australis, Muehlenbeckia complexa, Olearia hectorii, and Plantago lanceolata. This moth has a mauvish grey wing colour and is unlikely to be confused with other species as the patterns on its forewing are distinctive. This species is on the wing throughout the year and is attracted to both sugar and light traps. Adult moths can be found at rest on fences and tree trunks during the day.
Ichneutica maya is a moth of the family Noctuidae. It is endemic to New Zealand. It is found in the mountains in southern half of the North Island and in the South Island. I. maya is a distinctively coloured and patterned moth and as such is unlikely to be confused with similar species. I. maya can be found in the southern half of the North Island down through the South Island. This species can be found in alpine to subalpine zones with high rainfall but in Southland this species can be found down to sea level. This life history in the wild is unknown, nor has its larval host species been confirmed. Adults are on the wing from December to March and are attracted to sugar and light traps.
Ichneutica nullifera is a moth of the family Noctuidae. This species is endemic to New Zealand and can be found in the Tongariro National Park, along the Wellington coast and throughout the South Island. The adults are large and the forewing of adults can vary in colour from pale fawn to dark grey. The larvae are coloured a bright yellow-brown with a paler underside. The larval host species are in the genus Aciphylla and as a result the adult moths are often found in habitat dominated by species in this genus. Adults are on the wing from November to early April and are sometimes attracted to light.
Ichneutica scutata is a moth of the family Noctuidae. It is endemic to New Zealand. This species can be found in the southern parts of the North Island as well as the eastern parts of the South Island. It is similar in appearance to I. insignis and I. skelloni but can be distinguished as I. scutata is much paler in appearance. It is likely this species inhabits lowland tussock grasslands as well as coastal dunes although it is not common in inland tussock grasslands. The larvae feed on a variety of herbaceous plants such as Plantago and Convolvulus species, Plagianthus divaricatus. It pupates on soil near its host plants. The adults are on the wing from late March to July.
Ichneutica arotis is a moth of the family Noctuidae. It is endemic to New Zealand. This species is found throughout the North and South Islands but has yet to be recorded on Stewart Island. I. arotis is variable in appearance and have been described as having a "northern dark form", a "typical" form and a "swamp" form. Robert Hoare hypothesised that this species may be in the process of evolving into several distinct species. However, as these forms show no difference in antennae or genitalia so, as at 2019, they are not regarded as separate species. Larval hosts include species in the genera Cortaderia and Schoenus as well as Phormium tenax. The caterpillar feeds at night and rests in during the day amongst dead flax leaves. It pupates in a loose cocoon either hidden at the base of a stem of flax or on the ground. The adults of this species is on the wing from September to April. In the North Island there have also been records of adults being on the wing in June to August.
Ichneutica sulcana, the dark underwing wainscot, is a moth of the family Noctuidae. It is endemic to New Zealand and can be found throughout the North, South and Stewart Islands at a range of altitudes from the lowlands to the alpine zone. This species prefers to live in native grass, shrub and wetland habitats as well as in native forest. The larval host plants of this species are forest grasses and sedges and larvae have been reared on Microlaena avenacea and species within the genus Carex. The larva pupates in the soil. Adults are on the wing from December to May but have also been recorded in August and September in the northern parts of the North Island. They are attracted to sugar traps as well as to light. I. sulcana and I. supersulcana are very similar in appearance but can be distinguished as there are differences in the male abdomen and genitalia of the two species. Also these two species do not appear to share a range as I. supersulcana seems to prefer to live at higher altitudes than I. sulcana. I. sulcana might also be confused with I. semivittata but I. sulcana is a larger species with a much darker abdomen and hindwing, and has only 1 to 3 dots on the forewing postmedian line.
Ichneutica steropastis, or the flax notcher moth, is a species of moth in the family Noctuidae. It is endemic to New Zealand and can be found throughout the country from the Three Kings Islands to Stewart Island as well as in the Chatham Islands. The larvae of this species feed on a variety of native and introduced plants however the New Zealand flax is one of the more well known host plants for the larvae of this moth. The larvae are nocturnal, hiding away in the base of the plants and coming out to feed at night. They create a distinctive notch in the leaf when they feed. The adults of this species are on the wing from October to March. Although adult specimens of I. steropastis are relatively easy to recognise they might possibly be confused with I. inscripta, I. theobroma or with darker forms of I. arotis. However I. steropastis can be distinguished as it has a long dark basal forewing streak that these three species lack.
Ichneutica purdii, the orange astelia wainscot, is a moth of the family Noctuidae. It is endemic to New Zealand. It can be found throughout the main islands of New Zealand. I. purdii is a relatively large, colourful moth, unlikely to be confused with any other endemic moth species in New Zealand. The larvae of this moth feed at night on species of Astelia. During the day they shelter in the interior of the plant. When fully grown the larvae can reach a length of approximately 48mm. The larvae are ocherous in colour with a pink flush with line markings but when ready to pupate these markings fade and the larvae take on a light golden hue with a rosy tinge to its rear segments. The deep wine coloured pupa is enclosed in a slight cocoon, with this being constructed below the soil, amongst debris or alternatively within a hollow stick. The adult moths are on the wing from October to March. Although this moth is found throughout the main islands of New Zealand it is more frequent in the south of New Zealand at higher altitudes of up to 1200m.
Hierodoris illita is a moth of the family Oecophoridae. It is endemic to New Zealand and is found in both the North and South Islands. However this species has not been recorded at Stewart Island / Rakiura.
Ichneutica epiastra is a moth of the family Noctuidae. It is endemic to New Zealand and is found throughout the North, South and Stewart Islands. This species prefers open habitats such as wetlands, dunes and forest clearings. Eggs are laid in the summer or autumn and larvae feed during winter and spring. The larval host species are found within the genus Austroderia. The adult moths are on the wing between October and February. Adult I. epiastra can possibly be confused with the similar species I. arotis and I. haedifrontella however there are differences in appearance that enables I. epiastra to be distinguished from these two species. In particular I. epiastra has long sharp-tipped ‘horns' on its head that are diagnostic. The adults of this species appear reluctant to be attracted to light although they do come more frequently to the brighter mercury vapour traps.
Ichneutica marmorata is a moth of the family Noctuidae. This species is endemic to New Zealand and can be found in the North Island at the Tongariro National Park and at Puketitiri near the Kaweka Range. In the South Island it is widespread. It prefers alpine to subalpine habitat but occurs down to sea level altitudes in more southern locations. Adults are on the wing from late October to February. Larvae of this species may use tussock grasses in the genus Chionochloa as their host and they have been reared on Festuca novae-zelandiae.
Ichneutica moderata is a moth of the family Noctuidae. This species is endemic to New Zealand and can be found from the Bay of Plenty south including the Chatham Islands. I. moderata inhabits open spaces in lowland to montane zones. Larvae likely feed on a variety of low growing herbaceous plants including on Raoulia species. Larvae create silk covered tunnels in the roots of their host plants. Pupa are enclosed in a loose silken cocoons and are sheltered amongst the host species roots. The adult moths are on the wing from October to April.
Ichneutica erebia is a moth of the family Noctuidae. This species is endemic to New Zealand and is found on Campbell Island and the Auckland Islands. Adults of this species are on the wing from August to January. The adults are variable in appearance but can be distinguished from similar species by the patters or lack thereof on their forewings. The larvae of I. erebia are polyphagous and hosts include Pleurophyllum criniferum, species within the genera Stilbocarpa and Carex, as well as Chionochloa antarctica, Urtica australis and Raukaua simplex.
Ichneutica subcyprea is a moth of the family Noctuidae. This species is endemic to New Zealand. This species is very similar in appearance to I. chlorodonta. It feeds on fern species in the genus Tmesipteris. It is the only New Zealand noctuid known to exclusively feed on ferns. The preferred habitat of this species is humid native forest and the adults are on the wing from September to December.
Ichneutica virescens is a moth of the family Noctuidae. It is endemic to New Zealand, and is found in the southern North Island and throughout the South Island. The species is found in alpine, sub-alpine, and down to sea-level in grassland habitats. Adults are on the wing from November through to April. The likely larval host may be grasses, but larvae have been reared on a range of plants. The adults are similar to I. panda, I. falsidica and I. nobilia, but is distinguished by size, wing colouration, and antennae formation.
Ichneutica paracausta is a moth of the family Noctuidae. This species is endemic to New Zealand. It is found locally in the central North Island, is widespread in the South Island and can also be found in Stewart Island. I. paracausta is variable in colour, but as it has a distinctive black streak on its forewing as well as a wing pattern that is characteristic, I. paracausta is unlikely to be confused with other species. It is present on the North Island volcanic plateau as well as Little Bush Reserve in Hawkes Bay in the North Island as well as in tussock grassland, alpine and subalpine shrubland and in alpine forest. Larvae have been recorded as feeding on grasses, a pupa has been found in a cocoon under the bark of a tree and adult moths are on the wing from October to January.
Ichneutica lindsayorum is a moth of the family Noctuidae. This species is endemic to New Zealand and can be found in the southern parts of the North Island and in the South Island. I. lindsayorum is very similar in appearance to I. olivea but has a longer basal streak and lacks the white scaling from the subterminal line on the forewing that can be found on the forewings of I. olivea. The life history of this species is unknown as are the host species of its larvae in the wild. However larvae have been reared on Ozothamnus leptophyllus. The adults of this species are on the wing from December to April.
Ichneutica infensa is a moth of the family Noctuidae. This species is endemic to New Zealand. It is found throughout the North and South Islands but appears to be rarely seen or collected in the north and west parts of the North Island. As at 2019 the northern limit to the range of this species is Titirangi. I. infensa inhabits tussock grasslands and native forest. Larvae are nocturnal and its host plants are in the genus Carex including Carex solandri. Larvae have also been raised on Bromus catharticus. Adults of this species are on the wing from late October to February. Adults are narrow winged with patterns on the forewings that are relatively distinctive. However this species can possibly be confused with I. inscripta.
