Species

Sigaus robustus (Bigelow, 1967)

Nomenclature (4)

Brachaspis robustus Bigelow, 1967: 80.
Holotype; female; 39e441ab-0b2b-47fe-bd81-97d80fd27e34; deposited at: Canterbury Museum (CMNZ); New Zealand: Canterbury: North Otago, Ahuriri River
Brachaspis robustus Bigelow, 1967 in Trewick, 2001

Brachaspis robustus Bigelow, 1967 in Trewick, Morris, Johns, Hitchmough & Stringer, 2012
Sigaus robustus (Bigelow, 1967) in Trewick, Koot & Morgan-Richards, 2023: 236.

Bigelow, R.S. (1967) Grasshoppers of New Zealand.
Trewick, S.A. (2001) Identity of an endangered grasshopper (Acrididae: Brachaspis): taxonomy, molecules and conservation. Conservation Genetics, 2(3), 233–243.

Trewick, S.A., Koot, E.M. & Morgan-Richards, M. (2023) Māwhitiwhiti Aotearoa: Phylogeny and synonymy of the silent alpine grasshopper radiation of New Zealand (Orthoptera: Acrididae). Zootaxa, 5383(2), 225–241. https://doi.org/10.11646/zootaxa.5383.2.7
Trewick, S.A., Morris, S.J., Johns, P.M., Hitchmough, R.A. & Stringer, I. (2012) The conservation status of New Zealand Orthoptera. New Zealand Entomologist, 35(2), 131–136. Available at http://www.tandfonline.com/doi/pdf/10.1080/00779962.2012.686318

Summary of taxonomic names by rank, showing valid extant names, fossil names, invalid names, and total counts.
Taxon	Valid names
Rank	Extant	Fossil	Invalid	Total
Species	1	0	1	2