World Spider Catalog

Genus: Theridion Walckenaer, 1805 | Family: Theridiidae Sundevall, 1833

Theridion dilucidum Simon, 1898

SPECIES | ACCEPTED

LSID: urn:lsid:nmbe.ch:spidersp:008338

Permalink: https://wsc.nmbe.ch/lsid/urn:lsid:nmbe.ch:spidersp:008338

Described:

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Distribution: Costa Rica to Venezuela, Caribbean

External Resources*: GBIF

Type Repository Provide information

It is widely assumed that most of the type material from Simon can be found in the Muséum National d’Histoire Naturelle in Paris, France -
Holotype: Manchester Museum of the University of Manchester (MMUE/MMUM), Manchester, United Kingdom (Syn: Theridion blackgardens) m (G7730.129) - (Sherwood et al., 2026c)
Paratype: Manchester Museum of the University of Manchester (MMUE/MMUM), Manchester, United Kingdom (Syn: Theridion blackgardens) 1f (G7730.130) - (Sherwood et al., 2026c)

Taxonomic References

Theridion dilucidum Simon, 1898i: 862 (Df) Original description

Theridion defunctum Petrunkevitch, 1925a: 103, f. 13-14 (Dm) [urn:lsid:nmbe.ch:spidersp:063642]

Theridion atkinsi Bryant, 1940: 317, f. 72-73, 77 (Dmf) [urn:lsid:nmbe.ch:spidersp:063640]

Theridion virginus Bryant, 1942a: 344, f. 27 (Dm) [urn:lsid:nmbe.ch:spidersp:063643]

Theridion dilucidum Levi, 1959b: 84, f. 78-81 (mf, S of Theridion atkinsi, T. defunctum and T. virginus)

Anelosimus blackgardens Sherwood, Mukhida & Connor, in Sherwood et al., 2026c: 22, f. 14A-G, 15A-G (Dmf) [urn:lsid:nmbe.ch:spidersp:066795]

Theridion dilucidum Agnarsson, 2026: 7, f. 1A-B, H (f, S of Anelosimus blackgardens, figs. 1B, H sub A. blackgardens)

References

Agnarsson, I. (2026). Taxonomy takes time: shortcuts to synonymy. Taxonomy 6(3, 56): 1-13. doi: 10.3390/taxonomy6030056 -- Show included taxa

Bryant, E. B. (1940). Cuban spiders in the Museum of Comparative Zoology. Bulletin of the Museum of Comparative Zoology 86: 247-532. -- Show included taxa

Bryant, E. B. (1942a). Notes on the spiders of the Virgin Islands. Bulletin of the Museum of Comparative Zoology 89: 317-366. -- Show included taxa

Levi, H. W. (1959b). The spider genera Achaearanea, Theridion and Sphyrotinus from Mexico, Central America and the West Indies (Araneae, Theridiidae). Bulletin of the Museum of Comparative Zoology 121: 57-163. -- Show included taxa

Petrunkevitch, A. (1925a). Arachnida from Panama. Transactions of the Connecticut Academy of Arts and Sciences 27: 51-248. -- Show included taxa

Sherwood, D., Mukhida, F., Connor, R. A., Hughes, G., Carter, D., Curtis, I., Hochart, J., Gumbs, K., Gumbs, J. C., Buckmire, Z., Morrishaw, Z., Child, N. & Bosquet, I. V. (2026c). New data on the spiders (Arachnida: Araneae) of Anguilla, Lesser Antilles with description of seven new species. Faunitaxys 14(22): 1-30. doi: 10.57800/faunitaxys-14(22) ZooBank: 867EB085-1F88-405D-BB61-8F7E9523A4A0 -- Show included taxa

Simon, E. (1898i). On the spiders of the island of St Vincent. – Part III. Proceedings of the Zoological Society of London 65(4, 1897): 860-890. doi: 10.1111/j.1096-3642.1898.tb01390.x [published in April 1898, after Duncan, 1937] -- Show included taxa

External Resource References

* Disclaimer
As External Resources, the World Spider Catalog links here to species pages of other databases. They may contain further information for the given species. The databases, listed as External Resources, however, are not managed by World Spider Catalog and the information given there is not necessarily in agreement with the World Spider Catalog. All responsibility for such data is with the external database.

GBIF.org (2026). GBIF Home Page (via GBIF API). Available from: https://www.gbif.org [8 January 2026]

Edit History

Date	Type	Reference	Old value	Comment
2026-09-28	New taxonomic reference entry	Agnarsson, 2026
2016-11-14	Species updated		Old value	Error corrected