Xylotoles costatus Pascoe, 1875
Pitt Island longhorn beetle
Taxonomy & Nomenclature
Synonym/s: Xyloteles costatus Pascoe, 1875 [orth. error used by (WCMC, 1992:209)]
Conservation Status
Last record: presumably between 1906 and 1908 (Emberson et al., 1996) or later; 1930's (WCMC, 1992:209)
Rediscovered in: 1987 (Emberson et al., 1996)
IUCN RedList status: Endangered
Distribution & Habitat
Chatham Islands, New Zealand
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Baillie, J. and Groombridge, B. (eds). (1996). 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.
Early, J. W., Emberson, R. M., Muir, C. A. and Barratt, B. I. P. (1991). Lincoln University entomological expedition to Pitt Island: 10-24 January 1990. Report to Lincoln University and Department of Conservation, Christchurch (unpub.).
Emberson, R. M. (1998a). Preliminary report of a visit to the Chatham Islands, January 1998: Invertebrate monitoring and research on endangered invertebrates. Report to Department of Conservation (unpub.).
Emberson, R. M. (1998b). The beetle (Coleoptera) fauna of the Chatham Islands. New Zealand Entomologist 21: 25-64.
Emberson, R. M. and Marris, J. W. M. (1993). Xylotoles costatus Pitt Island longhorn: a manual with aids to identification. Contract report, Department of Conservation (unpub.).
Emberson, R. M., Early, J. W., Marris, J. W. M. and Syrett, P. (1996). Research into the status and distribution of Chatham Islands endangered invertebrates. Science for Conservation 36: 1-27.
Groombridge, B. (ed.). (1994). 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.
Hitchmough, R. (comp.). (2002). New Zealand threat classification system lists – 2002. Threatened Species Occasional Publication 23. Department of Conservation, Wellington.
IUCN. (1990). IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.
McGuinness, C. A. (2001). The Conservation Requirements of New Zealand’s nationally threatened invertebrates. Threatened Species occasional publication. 20. New Zealand Department of Conservation, Biodiversity Recovery Unit, Wellington, New Zealand.
McGuinness, C. A. (2004). Xylotoles costatus. The IUCN Red List of Threatened Species 2004: e.T23161A9424129. https://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T23161A9424129.en. Accessed on 07 August 2025.
Molloy, J., Bell, B., Clout, M., de Lange, P., Gibbs, G., Given, D., Norton, D., Smith, N. and Stephens, T. (2002). Classifying species according to threat of extinction. A system for New Zealand. Threatened Species Occasional Publication 22. Department of Conservation, Wellington.
WCMC (World Conservation Monitoring Centre). (1992). Global Biodiversity: Status of the Earth's living resources. London: Chapman & Hall. xx + 594 pp.