Motuweta isolata Johns, 1997

Mercury Islands tusked wētā, Middle Island tusked wētā



Taxonomy & Nomenclature



Conservation Status

Formerly extinct in the wild



Mercury Islands, North Island (off north-eastern coast), New Zealand


Biology & Ecology










Original scientific description:

Johns, P. M. (1997). The Gondwanaland Weta: Family Anostostomatidae (formerly in Stenopelmatidae, Henicidae or Mimnermidae): Nomenclatural Problems, World Checklist, New Genera and Species. Journal of Orthoptera Research (6): 125-138.


Other references:

Holmes, Branden. (2021). What's Lost and What Remains: The Sixth Extinction in 100 Accounts. Self published. [Available from Amazon]

Stringer, I. A. N. and Hitchmough, R. A. (2012). Assessing the conservation status of New Zealand’s native terrestrial invertebrates. New Zealand Entomologist 35(2): 77-84.

Trewick, Steve, Johns, Peter, Hitchmough, Rod, Rolfe, Jeremy and Stringer, Ian. (2016). Conservation status of New Zealand Orthoptera, 2014. New Zealand Threat Classification Series 16. Department of Conservation, Wellington. 15 pp.


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