From Wikipedia, the free encyclopedia

Gadira acerella
Male
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Subfamily: Crambinae
Tribe: Chiloini
Genus: Gadira
Species:
G. acerella
Binomial name
Gadira acerella
Walker, 1866 [1]
Synonyms [2]
  • Botys mahanga C. Felder, R. Felder & Rogenhofer, 1875
  • Botys mehanga Gaskin, 1973

Gadira acerella is a moth in the family Crambidae. [1] It was first described by Francis Walker. It is endemic to New Zealand and is found throughout the country. The species inhabits native forest from sea level up to subalpine altitudes. Larvae are assumed to feed on lichen or moss. Adults are on the wing from October until March, are active at night and are attracted to light. This species is distinctively patterned and coloured and is said to resemble a bird dropping at rest. The colouring also assists to camouflage the moth when it rests against lichen.

Taxonomy

This species was first described by Francis Walker in 1866 using specimens collected in Nelson by T. R. Oxley. [3] [2] In 1875, thinking they were describing a new species, Cajetan von Felder and Alois Friedrich Rogenhofer named this species Botys mahanga. [4] [2] This name was synonymised by Edward Meyrick in 1883. [5] [2] In 1928 George Hudson discussed and illustrated this species in his book The butterflies and moths of New Zealand. [6] D. E. Gaskin, in 1973, discussed this synonym but incorrectly spelt the epithet as mehanga. [2] The male holotype is held at the Natural History Museum, London. [2]

Description

Illustration by George Hudson.

Walker described the female of the species as follows:

Female. Aeneous-brown, whitish beneath. Head whitish. Thorax with a whitish stripe. Abdomen and hind wings aeneous-cinereous. Fore wings with whitish veins and with two whitish oblique lines, which diverge from each other near the interior border ; a transversely elongated black spot including a little longitudinal white streak; two exterior outward-curved white lines, of which the inner one is broader than the other; a few black streaks and speckles; fringe white. Hind wings aeneous-cinereous, with a white aeneous-bordered subinarginal line. Length of the body 3 lines; of the wings 9 lines. [3]

This species is distinctively patterned and coloured. [6]

Distribution

This species is endemic to New Zealand and is found throughout the country. [7] [8] It is regarded as being fairly common. [8]

Habitat and hosts

This species inhabits native forest and can be found at altitudes from sea level up to subalpine. [8] The larvae of this species are assumed to feed on lichen or mosses. [9] [8] Larvae have been observed on lichen covered rocks. [10]

Behaviour

Observation of living Gadira acerella.

The life history of this species is currently unknown. [8] Adults are on the wing from October until March. [8] [11] They are active at night and are attracted to light. [8] This species rests with its wings together over its body in a steep V shape. [8] The adults of the species have frequently been observed resting on lichen covered rocks and fences. [6] Hudson was of the opinion that the raised scales and colouring on the forewing caused an at rest adult to resemble a bird dropping. [6] It has also been suggested the raised scales and colouring on the forewing are disruptive and ensures the adult moth blends in with lichens upon which the moth prefers to rest. [8]

References

  1. ^ a b 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.
  2. ^ a b c d e f John Stewart Dugdale (23 September 1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa". Fauna of New Zealand. 14. Department of Scientific and Industrial Research: 144. doi: 10.7931/J2/FNZ.14. ISSN  0111-5383. Wikidata  Q45083134.
  3. ^ a b Francis Walker (1866), List of the specimens of lepidopterous insects in the collection of the British Museum. Part XXXV. - supplement, part 5., London, pp. 1742–1743, Wikidata  Q115099201{{ citation}}: CS1 maint: location missing publisher ( link)
  4. ^ Felder, Cajetan; Rogenhofer, Alois Friedrich (1864–1867). "Reise der österreichischen Fregatte Novara". Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. Von W. pt.9:Bd.2:Abt.2 (1864-1867) Atlas: Plate CXXXVII fig 27 – via Biodiversity Heritage Library.
  5. ^ Edward Meyrick (May 1883). "Descriptions of New Zealand Micro-Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 15: 8. ISSN  1176-6158. Wikidata  Q115099569.
  6. ^ a b c d George Vernon Hudson (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, pp. 176–177, LCCN  88133764, OCLC  25449322, Wikidata  Q58593286
  7. ^ "Gadira acerella Walker, 1866". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 2017-07-11.
  8. ^ a b c d e f g h i Robert J. B. Hoare (2014). A Photographic Guide to Moths & Butterflies of New Zealand. Illustrator: Olivier Jean-Philippe Ball. p. 69. ISBN  978-1-86966-399-5. Wikidata  Q59396160.
  9. ^ "Gadira acerella". plant-synz.landcareresearch.co.nz. Retrieved 2018-07-08.
  10. ^ Brian H. Patrick (1994), Coastal butterflies and moths of Wellington and South Wairarapa. (PDF), Wikidata  Q110426707, archived from the original (PDF) on 13 December 2021
  11. ^ "Gadira acerella". iNaturalist. Retrieved 2022-11-06.
From Wikipedia, the free encyclopedia

Gadira acerella
Male
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Subfamily: Crambinae
Tribe: Chiloini
Genus: Gadira
Species:
G. acerella
Binomial name
Gadira acerella
Walker, 1866 [1]
Synonyms [2]
  • Botys mahanga C. Felder, R. Felder & Rogenhofer, 1875
  • Botys mehanga Gaskin, 1973

Gadira acerella is a moth in the family Crambidae. [1] It was first described by Francis Walker. It is endemic to New Zealand and is found throughout the country. The species inhabits native forest from sea level up to subalpine altitudes. Larvae are assumed to feed on lichen or moss. Adults are on the wing from October until March, are active at night and are attracted to light. This species is distinctively patterned and coloured and is said to resemble a bird dropping at rest. The colouring also assists to camouflage the moth when it rests against lichen.

Taxonomy

This species was first described by Francis Walker in 1866 using specimens collected in Nelson by T. R. Oxley. [3] [2] In 1875, thinking they were describing a new species, Cajetan von Felder and Alois Friedrich Rogenhofer named this species Botys mahanga. [4] [2] This name was synonymised by Edward Meyrick in 1883. [5] [2] In 1928 George Hudson discussed and illustrated this species in his book The butterflies and moths of New Zealand. [6] D. E. Gaskin, in 1973, discussed this synonym but incorrectly spelt the epithet as mehanga. [2] The male holotype is held at the Natural History Museum, London. [2]

Description

Illustration by George Hudson.

Walker described the female of the species as follows:

Female. Aeneous-brown, whitish beneath. Head whitish. Thorax with a whitish stripe. Abdomen and hind wings aeneous-cinereous. Fore wings with whitish veins and with two whitish oblique lines, which diverge from each other near the interior border ; a transversely elongated black spot including a little longitudinal white streak; two exterior outward-curved white lines, of which the inner one is broader than the other; a few black streaks and speckles; fringe white. Hind wings aeneous-cinereous, with a white aeneous-bordered subinarginal line. Length of the body 3 lines; of the wings 9 lines. [3]

This species is distinctively patterned and coloured. [6]

Distribution

This species is endemic to New Zealand and is found throughout the country. [7] [8] It is regarded as being fairly common. [8]

Habitat and hosts

This species inhabits native forest and can be found at altitudes from sea level up to subalpine. [8] The larvae of this species are assumed to feed on lichen or mosses. [9] [8] Larvae have been observed on lichen covered rocks. [10]

Behaviour

Observation of living Gadira acerella.

The life history of this species is currently unknown. [8] Adults are on the wing from October until March. [8] [11] They are active at night and are attracted to light. [8] This species rests with its wings together over its body in a steep V shape. [8] The adults of the species have frequently been observed resting on lichen covered rocks and fences. [6] Hudson was of the opinion that the raised scales and colouring on the forewing caused an at rest adult to resemble a bird dropping. [6] It has also been suggested the raised scales and colouring on the forewing are disruptive and ensures the adult moth blends in with lichens upon which the moth prefers to rest. [8]

References

  1. ^ a b 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.
  2. ^ a b c d e f John Stewart Dugdale (23 September 1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa". Fauna of New Zealand. 14. Department of Scientific and Industrial Research: 144. doi: 10.7931/J2/FNZ.14. ISSN  0111-5383. Wikidata  Q45083134.
  3. ^ a b Francis Walker (1866), List of the specimens of lepidopterous insects in the collection of the British Museum. Part XXXV. - supplement, part 5., London, pp. 1742–1743, Wikidata  Q115099201{{ citation}}: CS1 maint: location missing publisher ( link)
  4. ^ Felder, Cajetan; Rogenhofer, Alois Friedrich (1864–1867). "Reise der österreichischen Fregatte Novara". Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. Von W. pt.9:Bd.2:Abt.2 (1864-1867) Atlas: Plate CXXXVII fig 27 – via Biodiversity Heritage Library.
  5. ^ Edward Meyrick (May 1883). "Descriptions of New Zealand Micro-Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 15: 8. ISSN  1176-6158. Wikidata  Q115099569.
  6. ^ a b c d George Vernon Hudson (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, pp. 176–177, LCCN  88133764, OCLC  25449322, Wikidata  Q58593286
  7. ^ "Gadira acerella Walker, 1866". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 2017-07-11.
  8. ^ a b c d e f g h i Robert J. B. Hoare (2014). A Photographic Guide to Moths & Butterflies of New Zealand. Illustrator: Olivier Jean-Philippe Ball. p. 69. ISBN  978-1-86966-399-5. Wikidata  Q59396160.
  9. ^ "Gadira acerella". plant-synz.landcareresearch.co.nz. Retrieved 2018-07-08.
  10. ^ Brian H. Patrick (1994), Coastal butterflies and moths of Wellington and South Wairarapa. (PDF), Wikidata  Q110426707, archived from the original (PDF) on 13 December 2021
  11. ^ "Gadira acerella". iNaturalist. Retrieved 2022-11-06.

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