Benoitodes caheni (Benoit, 1977)

Cahen's ground spider



Taxonomy & Nomenclature

Synonym/s: Actaeodes caheni Benoit, 1977 (original combination)


Conservation Status


IUCN RedList status: Critically Endangered (Possibly Extinct)


"The apparent absence of the large beetle Helenomelas basilewskyi and the spider Benoitodes caheni (both members of endemic genera) also gives cause for concern, but in the case of the beetle seasonal factors may account for its apparent absence."

(Ashmole & Ashmole, 2004)



St. Helena


Biology & Ecology










Original scientific description:

Benoit, P. L. G. (1977). Family: Drassidae, in La faune terrestre de l'île de Saite-Hélène IV. Annls Insektuto, Konchuaikokai 26: 14-18.


Benoit, P. L. G. (1977). Fam. Drassidae. In: La faune terrestre de l'île de Saite-Hélène IV. Annales, Musée Royal de l'Afrique Centrale, Sciences zoologiques (Zool.-Ser. 8°) 220, 52-62.


Other references:

Ashmole, Philip, and, Ashmole, Myrtle. (2004a). The invertebrates of Prosperous Bay Plain, St Helena: A survey, by Philip and Myrtle Ashmole, September – December 2003. Commissioned by the St Helena Government and financed by the Foreign and Commonwealth Office. Peebles, Scotland: Kidston Mill.

Ashmole, Philip, and, Ashmole, Myrtle. (2004b). Guide to Invertebrates of Prosperous Bay Plain, St Helena and Illustrated account of species found on the Eastern Arid Area (EAA), including Prosperous Bay Plain, Holdfast Tom and Horse Point Plain. Peebles, Scotland: Kidston Mill. 92 pp. [automatic download]

Howard Mendel, Philip Ashmole and Myrtle Ashmole. (2008). Invertebrates of the Central Peaks and Peak Dale, St Helena (with additional records from other sites). Commissioned by the St Helena National Trust. Financed by the Overseas Territories Environment Programme (OTEP), 121 pp.

Murphy, J. (2007). Gnaphosid genera of the world. British Arachnological Society, St Neots, Cambs 1, i-xii, 1-92; 2:i-11, 93-605.

Platnick, N. I. (1993). Advances in spider taxonomy 1988-1991, with synonymies and transfers 1940-1980. The New York Entomological Society, New York, 846 pp.

Pryce, David. (2019). David Pryce Invertebrate Surveys: Prosperous Bay Plain Invertebrate Survey 2018-19. Unpublished report.

White, L., Pryce, D., Wilkins, V.L. & Dutton, A.-J. 2019. Benoitodes caheni. The IUCN Red List of Threatened Species 2019: e.T65881182A67528094. Accessed on 24 July 2022.


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