Glaucocharis elaina

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Glaucocharis elaina
Glaucocharis elaina female.jpg
Female
Glaucocharis elaina male.jpg
Male
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Subfamily: Crambinae
Tribe: Diptychophorini
Genus: Glaucocharis
Species:
G. elaina
Binomial name
Glaucocharis elaina
(Meyrick, 1882) [1]
Synonyms [2]
  • Diptychophora elaina Meyrick, 1882
  • Pareromene elaina(Meyrick, 1882)

Glaucocharis elaina is a species of moth in the family Crambidae. [3] This species was described by Edward Meyrick in 1882. It is endemic to New Zealand and is found throughout the North and South Island with the exception of the extreme south of the South Island. The preferred habitat of this species is lowland native forest and as adults the species is attracted to broken ground including road or rail cuttings. Larvae feed on moss species including those in the genus Funaria. This species has two distinct broods during each year. Adults are on the wing from October to April, are nocturnal and are attracted to light.

Contents

Taxonomy

This species was first described by Edward Meyrick in 1882 and named Diptychophora elaina. [4] Meyrick gave a fuller description of this species in 1883. [5] George Hudson discussed and illustrated this species under that name in his 1928 book The butterflies and moths of New Zealand. [6] In 1929 Alfred Philpott studied the male genitalia of this species. [7] In 1971 David Gaskin placed this species in the genus Pareromene. [8] In 1985 Gaskin again discussed this species and placed it in the genus Glaucocharis. [9] The male lectotype, collected at the Wellington Botanic Garden by Meyrick, is held at the Natural History Museum, London. [2]

Description

G. elaina showing how well its colouration works as camouflage. Glaucocharis elaina 103316555.jpg
G. elaina showing how well its colouration works as camouflage.
Live specimen. Glaucocharis elaina 106538921.jpg
Live specimen.

Gaskin described the egg of this species as follows:

Flattened ovoid; no ribs; having a microscopic hexagonal pattern on shell; dimensions 0.32-0.34 X 0.19-0.20 mm. [8]

Gaskin described the larva of this species as follows:

The fully grown caterpillar is about three-quarters of an inch long and greyish in colour. It has an irregular reddish line down the back, and some black and whitish marks. [10]

Hudson described the adult of this species as follows:

The expansion of the wings is slightly over 12 inch. The fore-wings are pale grey slightly ochreous-tinged and finely speckled with blackish, especially near the base and termen, the space between the two transverse lines being usually paler; there is an elongate black spot slightly above the middle of the wing. The hind-wings are pale grey. [6]

Hudson states that the grey colouration of this moth is protective and helps camouflage it against lichen covered rocks or tree trunks. [6]

Distribution

This species is endemic to New Zealand and other than in the extreme south of the South Island is found throughout the country. [1] [6]

Habitat and hosts

The larvae of this species feed on mosses including species in the genus Funaria . [11] [8] The adults inhabit lowland native forest and can often be found near broken ground. [6] They have been seen in numbers at road or rail cuttings near native forest or bush. [10] [6]

Life cycle and behaviour

Both Hudson and Gaskin believed this species has two distinct broods. [6] [10] The eggs are laid in patches in early to late summer on moss. [10] Gaskin hypothesised that this species spends the winter months as pupae. [10] The larvae create their pupa in a chamber amongst the moss the caterpillar feeds from. [10] The adults of G. elaina are on the wing from October until April, are nocturnal and are attracted to light. [6]

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References

  1. 1 2 "NZOR Name Details - Glaucocharis elaina (Meyrick, 1882)". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 20 January 2018.
  2. 1 2 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: 144. doi:10.7931/J2/FNZ.14. ISSN   0111-5383. Wikidata   Q45083134.
  3. 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.
  4. Edward Meyrick (June 1882). "Descriptions of New Zealand Micro-Lepidoptera (I.)". New Zealand Journal of Science. 1: 187. Wikidata   Q115108516.
  5. Edward Meyrick (May 1883). "Descriptions of New Zealand Microlepidoptera. I and II. Crambidae and Tortricina". Transactions and Proceedings of the New Zealand Institute. 15: 17–18. ISSN   1176-6158. Wikidata   Q111013914.
  6. 1 2 3 4 5 6 7 8 George Vernon Hudson (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington: Ferguson and Osborn Limited, p. 176, LCCN   88133764, OCLC   25449322, Wikidata   Q58593286
  7. Alfred Philpott (1929). "The male genitalia of the New Zealand Crambidae". Transactions and Proceedings of the New Zealand Institute. 60 (3): 491–514. ISSN   1176-6158. Wikidata   Q124044081.
  8. 1 2 3 David Edward Gaskin (1971). "A revision of New Zealand Diptychophorini (Lepidoptera; Pyralidae; Crambinae)". New Zealand Journal of Science. 14: 773–776. ISSN   0028-8365. Wikidata   Q110236267.
  9. David E. Gaskin (20 December 1985). "Morphology and reclassification of the Australasian, Melanesian and Polynesian Glaucocharis Meyrick (Lepidoptera : Crambinae : Diptychophorini)". Australian Journal of Zoology. Supplementary Series. 33 (115): 1. doi:10.1071/AJZS115. ISSN   0310-9089. Wikidata   Q54618937.
  10. 1 2 3 4 5 6 David Edward Gaskin (1966). "The butterflies and common moths of New Zealand". New Zealand: 161. Wikidata   Q115000559.
  11. "PlantSynz - Invertebrate herbivore biodiversity assessment tool: Database". plant-synz.landcareresearch.co.nz. Retrieved 2018-07-09.