Tortrix fervida

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Tortrix fervida
Tortrix fervida (3) (cropped).jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Tortrix
Species:
T. fervida
Binomial name
Tortrix fervida
(Meyrick, 1901) [1]
Synonyms [2]
  • Cacoecia fervidaMeyrick, 1901

Tortrix fervida is a species of moth of the family Tortricidae. [1] It is endemic to New Zealand and has been observed in both the North and South Islands. The larvae feed on species of fern in the genus Hymenophyllum including Hymenophyllum nephrophyllum. The adult moths are variable in appearance and are day flying. They are on the wing from November until January. This species is regarded as being uncommon.

Contents

Taxonomy

This species was first described by Edward Meyrick in 1901 using a male specimen collected by George Hudson in Kaitoke in November and named Cacoecia fervida. [3] [2] George Hudson discussed and illustrated this species in his 1928 book The butterflies and moths of New Zealand under the name Tortrix fervida. [4] It is likely that this species belongs to another genus and as such this species is also known as Tortrix (s.l.) fervida. [1] [5] The male holotype specimen is held at the Natural History Museum, London. [2]

Description

Illustration of female. Fig 2 MA I437625 TePapa Plate-XXVI-The-butterflies full (cropped).jpg
Illustration of female.
Illustration of male. Fig 1 MA I437625 TePapa Plate-XXVI-The-butterflies full (cropped).jpg
Illustration of male.

The larvae of this species are approximately 1 cm long when mature, with a brown head and a darker green coloured body. [6] They have tiny hair like structures to assist in keeping them dry when moving amongst the damp fronds of their host plants. [6]

Hudson described the adults of this species as follows:

The expansion of the wings is slightly over 12 inch. The fore-wings are rich pinkish-brown often slightly tinged with purple; there is a rather indistinct basal patch of crimson-brown; a curved, irregular band of very dark crimson brown near the middle of the wing often divided into several branches before the dorsum; another similar band from about 34 of the costa to the tornus; a small triangular mark of the same colour at the apex; the edges of all these bands are strongly sprinkled with golden yellow scales. The hind-wings are dark grey, darker near the termen. The female has the fore-wings slightly longer and narrower than the male and all the transverse bands are indistinct, except the one reaching from the costa to the tornus. [4]

Hudson pointed out that adults of this species can vary in colour with some male specimens having spaces between their forewing bands that are paler in colour. [4]

Distribution

This species is endemic to New Zealand. It has been collected in both the North and South Islands including in Wellington, around Arthur's Pass and in the Southland region. [4] It is regarded as uncommon. [4]

Behaviour

The larvae make a silk tube in which they hide. [6] The adult moths fly during the day and are on the wing from November until January. [6]

Host plants

Larval host H. nephrophyllum. Hymenophyllum nephrophyllum 222154955.jpg
Larval host H. nephrophyllum.

The larval host plants of this species are in the genus Hymenophyllum and include Hymenophyllum nephrophyllum . [6]

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References

  1. 1 2 3 "Tortrix fervida (Meyrick, 1901)". www.nzor.org.nz. Retrieved 2021-12-13.
  2. 1 2 3 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: 128. doi:10.7931/J2/FNZ.14. ISSN   0111-5383. Wikidata   Q45083134.
  3. Edward Meyrick (December 1901). "XVII. Descriptions of New Lepidoptera from New Zealand". Transactions of the Royal Entomological Society of London. 49 (4): 572–573. doi:10.1111/J.1365-2311.1901.TB01373.X. ISSN   0035-8894. Wikidata   Q56158899.
  4. 1 2 3 4 5 George Vernon Hudson (1928), The butterflies and moths of New Zealand, Illustrator: George Hudson, Wellington, p. 231, OCLC   25449322, Wikidata   Q58593286
  5. Gordon, Dennis P., ed. (2010). New Zealand inventory of biodiversity: Kingdom animalia : chaetognatha, ecdysozoa, ichnofossils. Vol. 2. p. 465. ISBN   978-1-877257-93-3. OCLC   973607714. OL   25288394M. Wikidata   Q45922947.
  6. 1 2 3 4 5 Andrew Crowe (2004). Life-Size Guide to New Zealand Native Ferns: Featuring the unique caterpillars which feed on them. p. 4. ISBN   0-14-301924-4. Wikidata   Q115211440.