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Isoplectron armatum
Species of orthopteran insect From Wikipedia, the free encyclopedia
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Isoplectron armatum is a species of tokoriro (cave wētā) that is endemic to New Zealand.[1]
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Taxonomy
This species was described by Hutton in 1896 from a single adult male specimen from Dunedin. The name "armatum" is from the latin 'armed' (equipped with weapons) and refers to the conspicuous spine under the hind femur of adult males.
In 1937 Heinrich Hugo Karny described Isoplectron aciculatum from a male specimen from North Island New Zealand.[1] In 2024 three species were shown to be synonymous with Isoplectron armatum, which was divided into two sub-species.[2]
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Description
The body is coloured light rusty brown, darkly marbled dorsally. The abdomen and thorax have dark markings and eyes are green.[1] As adults their bodies are 8.5 - 16.8mm long.[2]
Distribution
This species is only known from New Zealand.[1] Isoplectron armatum is the most common species in the genus and found south of Taupō in the North Island (sub-species I. a. aciculatum) and throughout South Island (sub-species I. a. armatum).[2] During the day this species can be found hiding under tree bark or inside artificial refugia, often in groups of up to ten individuals.[3]
Conservation status
Under the New Zealand Threat Classification System, this species is listed as "Not Threatened"[4]
References
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