Trachypepla ingenua
Male holotype
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Oecophoridae
Genus: Trachypepla
Species:
T. ingenua
Binomial name
Trachypepla ingenua

Trachypepla ingenua is a moth of the family Oecophoridae first described by Edward Meyrick in 1911.[1] It is endemic to New Zealand and has been collected in both the North and South Islands. This species is one of the larger in the genus Trachypepla and the colouration of the adults imitates bird droppings. The preferred habitat of T. ingenua is native forest and adults are on the wing from December to February.

Taxonomy

This species was first described by Edward Meyrick in 1911 using a specimen collected by George Hudson at Ōtira River in December.[2] The male genitalia of this species was studied and illustrated by Alfred Philpott in 1927.[3] In 1928 Hudson discussed and illustrated this species in his 1928 book The butterflies and moths of New Zealand.[4] The male holotype is held at the Natural History Museum, London.[5]

Description

Illustration of T. ingenua.

Meyrick described this species as follows:

♂. 18 mm. Head rather dark fuscous irrorated with whitish. Palpi dark fuscous, second joint sprinkled with white towards apex, terminal joint white with two bands of dark-fuscous irroration. Antennal ciliations 1+1⁄2. Thorax dark fuscous. Abdomen brownish finely irrorated with whitish, segmental margins whitish-grey. Forewings elongate, rather narrow, costa moderately arched, apex obtuse, termen very obliquely rounded ; white ; a dark purplish-fuscous basal patch occupying 2⁄5 of wing, outer edge straight, mixed with chestnut-brown towards edge from above middle to near dorsum ; some scattered grey scales in disc beyond this ; an irregular-triangular dark purplish-fuscous blotch on costa beyond middle, reaching more than half across wing, posterior edge excavated beneath costa, its lower portion mixed with chestnut-brown ; a ring of dark-fuscous irroration preceding apex of this blotch in disc, and partly limited by it : a narrow transverse suffused grey patch in disc following this ; a curved cloudy line of dark- fuscous irroration from 4⁄5 of costa to tornus, forming a triangular dark-fuscous spot on costa, and indented beneath this : cilia whitish, round apex tinged with grey and somewhat sprinkled with dark fuscous. Hind-wings light grey ; cilia whitish.[2]

This species is one of the larger moths in the Trachypepla genus and its colouring imitates the droppings of birds.[4] This species can be distinguished from its close relative T. semilauta as it lacks the white patch on the basal portion of the forewings that is present in the latter species.[6]

Distribution

Ōtira River, type locality of T. ingenua.

This species is endemic to New Zealand and has been found in both the North and the South Islands.[7][8] As well as at the type locality, this species has also been collected at Mount Arthur at an altitude of approximately 1050 m, at Arthur's Pass, at Aoraki / Mount Cook, on the Milford Track, on the Clinton River and near the Homer tunnel.[4][9][10]

Habitat

The preferred habitat of this species is native forest.[4]

Behaviour

Adults of this species are on the wing from December to February.[4][11]

References

Wikimedia Commons has media related to Trachypepla ingenua.
Wikispecies has information related to Trachypepla ingenua.
  1. 1 2 Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia: chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 462. ISBN 978-1-877257-93-3. OCLC 973607714. OL 25288394M. Wikidata Q45922947.
  2. 1 2 E. Meyrick (1 July 1911). "Notes and Descriptions of New Zealand Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 43: 65–66. ISSN 1176-6158. Wikidata Q58200989.
  3. ↑ Alfred Philpott (15 August 1927). "The male genitalia of the New Zealand Oecophoridae". Transactions and Proceedings of the New Zealand Institute. 53: 102–113. ISSN 1176-6158. Wikidata Q63131107.
  4. 1 2 3 4 5 George Vernon Hudson (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, LCCN 88133764, OCLC 25449322, Wikidata Q58593286
  5. ↑ John Stewart Dugdale (23 September 1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa". Fauna of New Zealand. Department of Scientific and Industrial Research. 14: 107. doi:10.7931/J2/FNZ.14. ISSN 0111-5383. Wikidata Q45083134.
  6. ↑ Alfred Philpott (1918). "Descriptions of new species of Lepidoptera". Transactions and Proceedings of the New Zealand Institute (in English and English). 50: 129. ISSN 1176-6158. Wikidata Q109591818.
  7. ↑ "Trachypepla ingenua Meyrick, 1911". www.nzor.org.nz. Retrieved 2022-05-03.
  8. ↑ "Trachypepla ingenua Meyrick, 1911". www.gbif.org. Retrieved 2022-07-27.
  9. ↑ George Vernon Hudson (1939), A supplement to the butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, p. 449, OCLC 9742724, Wikidata Q109420935
  10. ↑ W George Howes (September 1946). "Lepidoptera collecting at the Homer, with descriptions of new species". Transactions and Proceedings of the Royal Society of New Zealand. 76: 139–147. ISSN 1176-6166. Wikidata Q62091906.
  11. ↑ "Trachypepla ingenua". Auckland Museum Collections Online. 2022. Retrieved 28 July 2022.
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