Labdia anarithma
Illustration of female
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Cosmopterigidae
Genus:
Labdia
Species:
L. anarithma
Binomial name
Labdia anarithma
(Meyrick, 1889)
Synonyms[1]
  • Proterocosma anarithma Meyrick, 1889
  • Pyroderces anarithma (Meyrick, 1889)

Labdia anarithma is a moth of the family Cosmopterigidae.[2] It was described by Edward Meyrick in 1888. It is found in New Zealand and throughout Australia. Adults are on the wing from December to March and are day flying. They have been collected by sweeping bracken fern.

Taxonomy

This species was first described by Edward Meyrick in 1889 and named Proterocosma anarithma.[3] In 1897 Meyrick placed this species within the genus Pyroderces.[4] This species was then placed in the genus Labdia in 1927 by A. Jefferis Turner.[5] This placement was confirmed in 1996 in the Checklist of Australian Lepidoptera.[6][1] The lectotype specimen, collected in New Plymouth by Meyrick, is held at the Natural History Museum, London.[7]

Description

Meyrick first described this species as follows:

♂♀. 7-l0 mm. Head and thorax brownish-ochreous, face ochreous-whitish. Palpi ochreous-whitish, second joint with basal half and a subapical ring suffusedly irrorated with black, terminal joint irrorated with dark fuscous. Antennae whitish-ochreous, ringed with dark fuscous. Abdomen grey-whitish, or grey. Legs dark grey, suffusedly ringed with whitish. Forewings lanceolate ; vein 5 separate, 6 present ; brownish-ochreous, sometimes more or less sprinkled with dark fuscous ; a black dot on base of costa, sometimes obsolete, a second on costa near base, a third in disc beneath second, a fourth on base of inner margin, often obsolete, a fifth in disc before middle, a sixth on fold rather obliquely beyond fifth, and a seventh in disc at 2⁄3 ; generally two small indistinct whitish-ochreous spots on costa and inner margin opposite seventh dot : cilia light grey, darker round apex. Hindwings with veins 6 and 7 from a point ; grey ; cilia light-grey.[3]

Distribution

This species is native to both New Zealand and Australia.[4] In New Zealand this species has been observed in Taranaki, Napier. Palmerston North, Masterton, Wanganui and Wellington.[8]

Behaviour

Bracken fern Pteridium esculentum.

The adults of this species are on the wing from December until March and are day flying.[9] George Hudson stated he had collected them by sweeping bracken fern in the late afternoon.[9]

References

Wikimedia Commons has media related to Labdia anarithma.
  1. 1 2 "Labdia". ftp.funet.fi. Retrieved 2022-01-31.
  2. ↑ "Labdia anarithma (Meyrick, 1889)". Australian Faunal Directory. 13 November 2018. Retrieved 31 January 2022.
  3. 1 2 Edward Meyrick (May 1889). "Descriptions of New Zealand Micro-Lepidoptera". Transactions and Proceedings of the New Zealand Institute. 21: 175–176. ISSN 1176-6158. Wikidata Q56065895.
  4. 1 2 E. Meyrick (1897). "Descriptions of Australian Microlepidoptera. XVII. Elachistidae". Proceedings of the Linnean Society of New South Wales. 22: 355–356. doi:10.5962/BHL.PART.12726. ISSN 0370-047X. Wikidata Q56007930.
  5. ↑ A. Jefferis Turner (1927). "A Revision of the Lepidoptera of Tasmania. Part II" (PDF). Papers and Proceedings of the Royal Society of Tasmania. 1927: 39. ISSN 0080-4703. Wikidata Q110769530.
  6. ↑ Nielsen & Rangsi (1996) Checklist of the Lepidoptera of Australia Monogr. Aust. Lepid. 4: 103
  7. ↑ 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: 86. doi:10.7931/J2/FNZ.14. ISSN 0111-5383. Wikidata Q45083134.
  8. ↑ E. Meyrick (12 July 1915). "Revision of New Zealand Tineina". Transactions and Proceedings of the New Zealand Institute. 47: 209. ISSN 1176-6158. Wikidata Q63123349.
  9. 1 2 George Vernon Hudson (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, p. 302, LCCN 88133764, OCLC 25449322, Wikidata Q58593286
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