''Hemiandrus celaeno'' is a species of endemic ground wētā in the family Anostostomatidae. ''H. celaeno'' is a small to medium-sized burrowing wētā found along the east coast of the

South Island The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...

, New Zealand. ''Hemiandrus calaeno'' is a member of the short

ovipositor The ovipositor is a tube-like organ used by some animals, especially insects, for the laying of eggs. In insects, an ovipositor consists of a maximum of three pairs of appendages. The details and morphology of the ovipositor vary, but typical ...

ground wētā. ''H. celaeno'' is named for Celaeno of the Pleiades sisters in Greek mythology, whose name means "the dark one". Tag-named entity, ''H. ‘horomaka’'', has been included under ''H. celaeno.'' ''Hemiandrus celaeno'' is present on the east coast of the South Island, New Zealand from Kaikōura south to

Banks Peninsula Banks Peninsula is a peninsula of volcanic origin on the east coast of the South Island of New Zealand. It has an area of approximately and encompasses two large harbours and many smaller bays and coves. The South Island's largest cit ...

, and west to

Porters Pass Porters Pass (elevation 939 metres) is a mountain pass in the Canterbury region of New Zealand's South Island. It is near Lake Lyndon and is located within Korowai/Torlesse Tussocklands Park. State Highway 73 travels through the pass on its ...

. Has been found in sheltered bush near remnant forest in Christchurch. ''Hemiandrus celaeno'' is classified as Naturally Uncommon by the

New Zealand Threat Classification System The New Zealand Threat Classification System is used by the Department of Conservation to assess conservation priorities of species in New Zealand. The system was developed because the IUCN Red List, a similar conservation status system, had some ...

. The qualifier is that it has a restricted range, only being found in the eastern

Morphology

''Hemiandrus celaeno'' is a small to medium-sized ground wētā.''H. celaeno'' can be distinguished by the 3rd apical segment of the maxillary palps lacking hairs, with the 4th segment only partially covered; the dorsal midline of the pronotum lacking a yellow stripe; having one

medial Medial may refer to: Mathematics * Medial magma, a mathematical identity in algebra Geometry * Medial axis, in geometry the set of all points having more than one closest point on an object's boundary * Medial graph, another graph that re ...

and one apical spine on the

superior Superior may refer to: *Superior (hierarchy), something which is higher in a hierarchical structure of any kind Places *Superior (proposed U.S. state), an unsuccessful proposal for the Upper Peninsula of Michigan to form a separate state *Lake ...

prolateras angle of the fore tibiae; two spines along the leg and one at the apex of the superior prolateras angle of the mid tibiae; the same configuration of spines along the superior retro lateral angle of the mid tibiae; males having very long cerci; females having a very short

and 6th abdominal segment with two lobes.

Type information

* Trewick SA; Taylor-Smith B; Morgan-Richards M (2021). ''Ecology and systematics of the wine wētā and allied species, with description of four new Hemiandrus species''. New Zealand Journal of Zoology * Holotype: Adult female, 30 November 2012, M Morgan-Richards, deposited at the Museum of New Zealand Te Papa Tongarewa, AI.041952 * Paratype: Adult male, 30 November 2012, B Taylor-Smith, deposited at the Museum of New Zealand Te Papa Tongarewa, AI.041952 * Type locations: YMCA Wainui Park Camp, Wainui Valley Road, Banks Peninsula, Canterbury, New Zealand (Lat. −43.813101, Long. 172.893391)

References

{{Taxonbar, from=Q105939907 Insects described in 2021 Invertebrates of New Zealand Anostostomatidae Wētā