Brown widow
Latrodectus geometricus C. L. Koch, 1841
Status not recordedspiders
The brown widow (Latrodectus geometricus) is a species in the family Theridiidae, order Araneae. Source checklists list it for 3 countries: Brazil, Kenya and South Africa.
No freely licensed photo yet
Quick facts about the brown widow
- Weight
- Not recorded
- Length
- Not recorded
- Lifespan
- Not recorded
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- Not recorded
- Conservation status
- Not recorded
- Countries on record
- 3 countriessrc for Countries on record
Where does the brown widow live?
Countries where Catalogue of Life checklists list the species. Many checklists carry no country data, so the list is often incomplete. It is not a range map.
The brown widow is listed for 3 countries.
- Listed
- Not listed
The same countries as a list
Is the brown widow endangered?
No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.
How is the brown widow classified?
- kingdomAnimalia
- phylumArthropoda
- classArachnida
- orderAraneae
- familyTheridiidae
- genusLatrodectus
- SpeciesLatrodectus geometricus C. L. Koch, 1841
Synonyms Latrodectus concinnus, Latrodectus distinctus, Latrodectus geometricus modestus, Latrodectus geometricus obscuratus, Latrodectus geometricus subalbicans, Latrodectus zickzack
Other names and names in other languages (21)
- Brown buttonEnglish
- Brown ButtonspiderEnglish
- Brown widow spiderEnglish
- HuisknopiespinnekopAfrikaans
- snovačka hnědáCzech
- Brun enkeDanish
- Braune WitweGerman
- Viuda caféSpanish
- Veuve bruneFrench
- אלמנה חומהHebrew
- Vedova brunaItalian
- ハイイロゴケグモJapanese
- Bruine weduweDutch
- Viúva-marromPortuguese
- brun änkaSwedish
- kahverengidulTurkish
- 幾何寇蛛Chinese
- BruinknopiespinnekopAfrikaans
- Viuda marrónSpanish
- Viuda PardaSpanish
- 棕色寡婦蛛Chinese
Relatives of the brown widow
Other species in the same genus Latrodectus.

Black widow spider
Latrodectus mactans

Steppe spider
Latrodectus tredecimguttatus

Redback spider
Latrodectus hasselti
Western black widow
Latrodectus hesperus
Katipo spider
Latrodectus katipo
Red widow
Latrodectus bishopi
CompareBrown widow vs Black widow spiderBrown widow vs Steppe spiderBrown widow vs Redback spiderBrown widow vs Western black widow
Common questions
Answered only where our data holds the answer.
Where does the brown widow live?
Catalogue of Life checklists list the brown widow for 3 countries: Brazil, Kenya and South Africa. Checklist coverage is uneven, so the true range may be wider.
What kind of animal is the brown widow?
The brown widow (Latrodectus geometricus) belongs to the family Theridiidae in the order Araneae.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Brown widow (Latrodectus geometricus). Retrieved from https://creaturedata.com/animals/brown-widow
“Brown widow (Latrodectus geometricus).” CreatureData, 2026, https://creaturedata.com/animals/brown-widow.
@misc{brown_widow_2026,
title = {Brown widow (Latrodectus geometricus)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/brown-widow},
note = {Data as of 2026-11-11}
}