Nihoa (spider)

Nihoa
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Arachnida
Order:	Araneae
Suborder:	Mygalomorphae
Family:	Barychelidae
Genus:	Nihoa Raven & Churchill, 1992
Species
See text.
Diversity
24 species

Nihoa is a spider genus in the mygalomorph family Barychelidae.

Name

The genus is named after the island Nihoa, where one of the species (N. mahina) is endemic.

Appearance

N. hawaiiensis males have a length of almost 15 mm, including cheliceres; females are up to 21 mm.

Distribution

Species of this genus occur in Oceania.

Species

• Nihoa annulata (Kulczynski, 1908) — New Guinea
• Nihoa annulipes (Thorell, 1881) — New Guinea
• Nihoa aussereri (L. Koch, 1874) — Palau
• Nihoa bisianumu Raven, 1994 — New Guinea
• Nihoa courti Raven, 1994 — New Guinea
• Nihoa crassipes (Rainbow, 1898) — New Guinea
• Nihoa gressitti Raven, 1994 — New Guinea
• Nihoa gruberi Raven, 1994 — New Ireland
• Nihoa hawaiiensis (Raven, 1988) — Hawai'i
• Nihoa itakara Raven, 1994 — New Guinea
• Nihoa kaindi Raven, 1994 — New Guinea
• Nihoa karawari Raven, 1994 — New Guinea
• Nihoa lambleyi Raven, 1994 — New Guinea
• Nihoa madang Raven, 1994 — New Guinea
• Nihoa mahina Churchill & Raven, 1992 — Hawai'i
• Nihoa maior (Kulczynski, 1908) — New Guinea
• Nihoa mambulu Raven, 1994 — Solomon Islands
• Nihoa pictipes (Pocock, 1899) — New Guinea, New Britain, New Ireland, Solomon Islands
• Nihoa raleighi Raven, 1994 — New Guinea
• Nihoa tatei Raven, 1994 — New Guinea
• Nihoa vanuatu Raven, 1994 — New Hebrides
• Nihoa variata (Thorell, 1881) — New Guinea
• Nihoa verireti Raven, 1994 — New Guinea

References

• Churchill, T. B. & R. J. Raven. 1992. Systematics of the intertidal trapdoor spider genus Idioctis (Mygalomorphae: Barychelidae) in the western Pacific with a new genus from the northeast. Memoirs of the Queensland Museum 32: 9-30. (Abstract)
• A revision of the mygalomorph spider genus Idioctis (Araneae, Barychelidae). American Museum Novitates 2929:1-14. PDF (first description of N. hawaiiensis)