Cantuaria stewarti

Cantuaria stewarti
Conservation status
Data Deficient (NZ TCS)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Mygalomorphae
Family:	Idiopidae
Genus:	Cantuaria
Species:	C. stewarti
Binomial name
Cantuaria stewarti (Todd, 1945)
Synonyms
Arbanitis huttoni stewarti

Cantuaria stewarti is a species of trapdoor spider endemic to New Zealand. ^[1]

Taxonomy

This species was originally described as the subspecies Arbanitis huttoni stewarti in 1945 by Valerie Todd from female and male specimens collected on Stewart Island. ^[2] This subspecies was elevated to species and transferred to the Cantuaria genus in 1968 by Ray Forster. ^[1]

Description

The male is recorded at 15.8mm in length. The carapace and legs are orange brown. The abdomen has a chevron pattern dorsally. The female is recorded at 13.8mm in length. The carapace and legs are orange brown. The abdomen is shaded with reddish brown on the dorsal surface. ^[1]

Distribution

This species is only known from Stewart Island, New Zealand. ^[1]

Conservation status

Under the New Zealand Threat Classification System, this species is listed as Data Deficient with the qualifiers of "Data Poor: Size" and "Data Poor: Trend". ^[3]

References

1. Forster, Raymond Robert; Wilton, Cecil Louis (1968-01-01). "The Spiders of New Zealand Part II: Ctenizidae, Dipluridae & Migidae" (PDF). Otago Museum bulletin. 2: 1–166.
2. Davies, Valerie (1944-01-01). "Systematic and Biological Account of the New Zealand Mygalomorphae (Arachnida)" (PDF). Transactions and Proceedings of the Royal Society of New Zealand. 74: 375–407.
3. Sirvid, P. J.; Vink, C. J.; Fitzgerald, B. M.; Wakelin, M. D.; Rolfe, J.; Michel, P. (2020-01-01). "Conservation status of New Zealand Araneae (spiders), 2020" (PDF). New Zealand Threat Classification Series. 34: 1–37.