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Hawaiioscia
Various images of both male and female Hawaiioscia nicoyaensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Isopoda
Suborder:	Oniscidea
Family:	Philosciidae
Genus:	Hawaiioscia Schultz, 2018
Species
See text

Hawaiioscia is a genus of woodlouse known from the Hawaii, Rapa Nui, and Costa Rica. The genus was originally described from Hawaii on the presence of four troglobitic species on separate islands. A species within this genus was then described from Rapa Nui which lacked troglobtic traits, but only persists in cave-dwelling relict populations. Surprisingly, another species was then described from along the Pacific Coast of Costa Rica.

Species

Species within this genus include:

• H. rapui (Rapa Nui)
• H. parvituberculata (Maui)
• H. microphthalma (Oahu)
• H. paeninsulae (Molokai)
• H. rotundata (Kauai)
• H. nicoyaensis (Costa Rica)

References

1. Rivera, Malia Ana J.; Howarth, Francis G.; Taiti, Stefano; Roderick, George K. (2002-10-01). "Evolution in Hawaiian cave-adapted isopods (Oniscidea: Philosciidae): vicariant speciation or adaptive shifts?". Molecular Phylogenetics and Evolution. 25 (1): 1–9. Bibcode:2002MolPE..25....1R. doi:10.1016/S1055-7903(02)00353-6. ISSN 1055-7903. PMID 12383746.
2. Taiti, Stefano; Wynne, Judson (2015-07-30). "The terrestrial Isopoda (Crustacea, Oniscidea) of Rapa Nui (Easter Island), with descriptions of two new species". ZooKeys (515): 27–49. Bibcode:2015ZooK..515...27T. doi:10.3897/zookeys.515.9477. ISSN 1313-2970. PMC 4525033. PMID 26261438.
3. Taiti, Stefano; Montesanto, Giuseppe; Vargas, José A. (2018-04-01). "Terrestrial Isopoda (Crustacea, Oniscidea) from the coasts of Costa Rica, with descriptions of three new species". Revista de Biología Tropical. 66 (1): 187. doi:10.15517/rbt.v66i1.33296. ISSN 2215-2075.

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