Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Latrodectus geometricus C.L. Koch, 1841

In buildings and under stones in the lower Arid zone.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Arachnida

Order
Araneae

Superfamily
Araneoidea

Family
Theridiidae

Genus
Latrodectus

Species
geometricus

Taxon category: Accepted

Origin: Introduced - established

Introduction

Year of first record: 1982

Mode of introduction: Accidental

Introduction Pathway: Stowaway

Subpathway: Hitchhiker on transport vehicles/cargo

Introduced status: Naturalized

Invasive status: No data

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Distribution: Cosmopolitan Galápagos distribution: Floreana, San Cristóbal, Santa Cruz

References

  • 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.

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, Latrodectus geometricus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=11967. Accessed 1 November 2026.