Epichorista abdita

Epichorista abdita
Illustration of genitalia of the male and female of E. abdita.
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Epichorista
Species:
E. abdita
Binomial name
Epichorista abdita
Philpott, 1924

Epichorista abdita is a species of moth in the family Tortricidae.[1] This species was first described by Alfred Philpott in 1924. It is endemic to New Zealand.

Taxonomy

This species was first described by Alfred Philpott in 1924 using specimens collected on the Mount Arthur tableland in the first week of March.[2] In 1928 George Hudson discussed E. abdita in his book The butterflies and moths of New Zealand discussing it as a form of Epichorista emphanes.[3] In 1928 Alfred Philpott also discussed and illustrated the male genitalia of this species treating the moth as a distinct species.[4] In another 1928 article Philpott pointed out that the male genitalia of E. abdita showed "markedly different structural peculiarities".[5] In 1939 Hudson again discussed E. abdita this time as a synonym of E. emphanes in his publication in A supplement to the butterflies and moths of New Zealand.[6] John S. Dugdale discussed this moth as a species in his 1988 publication.[7] However as at 2025, this species is regarded as being taxonomically unresolved as it likely belongs to another genus.[8] It is therefore also known as Epichorista (s.l.) abdita.[1] The male holotype specimen is held at the New Zealand Arthropod Collection.[7]

Description

Philpott described this species as follows:

♂. 11+1⁄2–13 mm. Head, palpi, and thorax bright reddish-ochreous. Antennae in male ciliated, 1+1⁄2. Abdomen dark fuscous. Legs ochreous-whitish, tarsal segments annulated with fuscous. Forewings, costa strongly arched at base, apex rectangular, termen very slightly oblique, rounded beneath; bright ochreous-reddish; markings very obscure; five or six fuscous dots on basal half of costa; traces of some leaden-white fasciae at 1⁄3 apical half of wing with numerous obscure waved leaden-white fasciae, visible only under magnification; central fascia indicated by a clear reddish area on costa at middle: fringes ochreous-reddish, tips paler. Hindwings dark fuscous: fringes greyish-fuscous, with basal band and the tips round termen tinged with ochreous.[2]

In one example the markings are quite obsolete and the ground-colour is much paler.[2] It is a smaller and duller species than the similar in appearance E. emphanes and also has longer antennal ciliations.[2]

Distribution

This species is endemic to New Zealand.[8] It has been observed in the Mount Arthur tableland.[2]

Behaviour

The adults of this species are on the wing in March.[2]

References

Wikimedia Commons has media related to Epichorista abdita.
Wikispecies has information related to Epichorista abdita.
  1. ^ a b Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia: chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 464. ISBN 978-1-877257-93-3. OCLC 973607714. OL 25288394M. Wikidata Q45922947.
  2. ^ a b c d e f Philpott, Alfred (1924). "Notes and Descriptions of New Zealand Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 55: 664–665. ISSN 1176-6158. Wikidata Q108264952. This article incorporates text from this source, which is in the public domain.
  3. ^ Hudson, G. V. (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, p. 238, LCCN 88133764, OCLC 25449322, Wikidata Q58593286 – via Biodiversity Heritage Library This article incorporates text from this source, which is in the public domain.
  4. ^ Alfred Philpott (1928). "The male genitalia of the New Zealand Tortricidae". Transactions and Proceedings of the New Zealand Institute. 59: 443–468. ISSN 1176-6158. Wikidata Q133008549.
  5. ^ Alfred Philpott (19 March 1928). "Notes and Descriptions of New Zealand Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 58: 487. ISSN 1176-6158. Wikidata Q109524279.
  6. ^ George Vernon Hudson (1939), A supplement to the butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, p. 434, OCLC 9742724, Wikidata Q109420935
  7. ^ a b Dugdale , J. S. (23 September 1988). "Lepidoptera - annotated catalogue, and keys to family-group taxa". Fauna of New Zealand. 14. Department of Scientific and Industrial Research: 122. doi:10.7931/J2/FNZ.14. ISSN 0111-5383. Wikidata Q45083134.
  8. ^ a b "Epichorista abdita Philpott, 1924". www.nzor.org.nz. 2025. Archived from the original on 2024-12-26. Retrieved 2025-03-06.
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