Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Theridion calcynatum
Culture zone (Isabela (Volcán Sierra Negra), Santa Cruz), Fern-sedge zone, Scalesia forest; summit Arid zones of Fernandina and northern Isabela volcanoes Alcedo, Darwin and Wolf.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Arachnida
Order
Araneae
Superfamily
Araneoidea
Family
Theridiidae
Genus
Theridion
Species
calcynatum
Taxon category: Accepted
Origin: Cryptogenic
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Distribution: Venezuela to Argentina. Galápagos distribution: Fernandina, Floreana, Isabela (Cerro Aul, Sierra Negra, V. Alcedo, V. Darwin, V. Wolf), Pinta, San Cristóbal, Santa Cruz, Santiago (Baert et al., 2023)(Baert et al., 2023).
- Baert, L. Jean-Pierre Maelfait, Konjev Desender, Frederik Hendrickx (2023) Updated checklist, origin, distribution, literature and genital drawings of the spiders of the Galápagos Islands Belgian Journal of Entomology 142: 1–188.
- Baert, L.L. Maelfait, J.P. & Desender, K. (1989) Results of the Belgian 1988-expedition to the Galápagos Islands: Araneae. Bull. Inst. R. Sci. Nat. Belg. Entomol. 59: 5-22.
- Baert, L.L. Maelfait, J.-P. (2000) Check List of the Described Spider Species of the Galápagos Archipelago (Araneae). Bull. Inst. R. Sci. Nat. Belg. Entomol. 70: 243-245.
- Baert, L.L. Maelfait, J.-P. (1986) A Contributution to the Knowledge of the Spider Fauna of Galápagos (Ecuador). Bull. Inst. R. Sci. Nat. Belg. Entomol. 56: 93-123.
- Baert, L.L. Maelfait, J.-P. & Desender, K. (1989) Results of the Belgian 1986-expedition: Araneae, and Provisional Checklist of the Spiders of the Galápagos Archipelago. Bull. Inst. R. Sci. Nat. Belg. Entomol. 58: 29-54.
- Baert, L.L. Malfait, J.-P., Hendrickx, F. & Desender, K. (2008) Distribution and Habitat Preference of the Spiders (Araneae) of Galápagos. Bull. Inst. R. Sci. Nat. Belg. Entomol. 78: 39-111.
- Buchholz, S. Baert, L., Rodríguez, J., E Causton, C., & Jäger, H. (2020) Spiders in Galapagos–diversity, biogeography and origin. Biological Journal of the Linnean Society, 130(1), 41-48.
- Roth, V.D. Craig, P.R. (1970) Arachnida of the Galápagos Islands (Excluding Acarina). Mission zoologique belge aux îles Galapagos et en Ecuador (N. et J. Leleup, 1964-1965), 2: 107-124.
You are welcome to download and use the information found in this page, acknowledging its source.
This page should be cited as follows:
"Galapagos Species Database, Theridion calcynatum", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=7001. Accessed 1 November 2026.