Nihoa is a genus of South Pacific brushed trapdoor spiders first described by Tracey Churchill & Robert Raven in 1992. It is named after the island Nihoa, where the type species (N. mahina) is endemic.[2]
| Nihoa | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Mygalomorphae |
| Family: | Barychelidae |
| Genus: | Nihoa Raven & Churchill, 1992[1] |
| Type species | |
| N. mahina Churchill & Raven, 1992
| |
| Species | |
|
23, see text | |
Male Nihoan trapdoor spiders (N. hawaiiensis) grow to almost 15 millimetres (0.59 in) long, including chelicerae. The females are larger, growing up to 21 millimetres (0.83 in).[3]
Species
editAs of April 2019[update] it contains twenty-three species:[1]
- Nihoa annulata (Kulczyński, 1908) – New Guinea
- Nihoa annulipes (Thorell, 1881) – New Guinea
- Nihoa aussereri (L. Koch, 1874) – Palau Is.
- 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 – Papua New Guinea (New Ireland)
- Nihoa hawaiiensis (Raven, 1988) – Hawaii
- 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 (type) – Hawaii
- Nihoa maior (Kulczyński, 1908) – New Guinea
- Nihoa mambulu Raven, 1994 – Solomon Is.
- Nihoa pictipes (Pocock, 1899) – New Guinea, Papua New Guinea (New Britain, New Ireland), Solomon Is.
- Nihoa raleighi Raven, 1994 – New Guinea
- Nihoa tatei Raven, 1994 – New Guinea
- Nihoa vanuatu Raven, 1994 – Vanuatu
- Nihoa variata (Thorell, 1881) – New Guinea
- Nihoa verireti Raven, 1994 – New Guinea
References
edit- ^ a b "Gen. Nihoa Raven & Churchill, 1992". World Spider Catalog Version 20.0. Natural History Museum Bern. 2019. doi:10.24436/2. Retrieved 2019-05-16.
- ^ Churchill, T. B.; Raven, R. J. (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.
- ^ Raven, Robert J. (1988-12-22). "A revision of the mygalomorph spider genus Idioctis (Araneae, Barychelidae)" (PDF). American Museum Novitates (2929). American Museum of Natural History: 1–14.