Nihoa

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]

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

As of April 2019 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