Oeconesus lobatus

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Oeconesus lobatus
Oeconesus lobatus AMNZ18153.jpg
Male holotype specimen held at Auckland War Memorial Museum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Trichoptera
Family: Oeconesidae
Genus: Oeconesus
Species:
O. lobatus
Binomial name
Oeconesus lobatus
Wise, 1958

Oeconesus lobatus is a species of caddisfly belonging to the family Hydrobiosidae. [1] The species was first described by Keith Arthur John Wise in 1958, [1] and is endemic to New Zealand. [2]

Contents

Taxonomy

The species was identified by Wise in 1958, based on a specimen collected from Raurimu in 1919 by C. E. Clarke. [2] [3] Some sources such as Ward (1999) consider O. lobatus to be a junior synonym of O. maori . [4]

Description

Wise's original text (the type description) reads as follows:

Length of anterior wing, 13 mm (0.51 in). Abdomen♂. Fifth abdominal segment with a pair of lateral processes. Genitalia♂. Dorsal margin of ninth segment produced in two large rounded lobes with a slight transverse ridge across their bases. Beneath each lobe is a narrower process directed slightly upwards. Upper penis-cover large, produced upwards, narrowly excised to form two forks lying parallel and very close together, these forks being truncate in dorsal view. Inferior appendages three-jointed, a stout basal joint with two terminal joints arising from its inner surface, one membranous and finger-shaped, the other more strongly chitinised, sharply excised ventrally towards the apex, directed inwards, and with a small tooth at apex. Penis membranous, expanded at apex with a chitinised process on each side pointing latero-ventrally, and with some chitinisation at the opening of the ejaculatory duct. [2]

Distribution and habitat

The species is endemic to New Zealand. [2]

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References

  1. 1 2 "Oeconesus lobatus". Global Biodiversity Information Facility . Retrieved 9 August 2024.
  2. 1 2 3 4 Wise, K. A. J. (1958). "Trichoptera of New Zealand: I. A Catalogue of the Auckland Museum Collections with Descriptions of New Genera and New Species". Records of the Auckland Institute and Museum . 5: 49–63. ISSN   0067-0464. JSTOR   42906091. OCLC   9987167351. Wikidata   Q58676764.
  3. "Oeconesus lobatus". Auckland War Memorial Museum . Retrieved 9 August 2024.
  4. McGuinness, Carl A. (May 2001). The Conservation Requirements of New Zealand's Nationally Threatened Invertebrates (PDF) (Report). Wellington: Dept. of Conservation, Biodiversity Recovery Unit.