# Triangulate Combfoot (*Steatoda triangulosa*)

Canonical page: https://creaturedata.com/animals/triangulate-combfoot  
Data as of: 2026-11-14

The triangulate combfoot (Steatoda triangulosa) is a species in the family Theridiidae, order Araneae. Recorded adults reach 8.6 mm in length. Source checklists list it for 2 countries: Algeria and China.

## Quick facts

| Fact | Value |
|---|---|
| Weight | Not recorded |
| Length | 3.5 mm – 8.6 mm |
| Lifespan | Not recorded |
| Diet | Invertivore |
| Main food | Not recorded |
| Habitat | human_modified |
| Young per litter or clutch | Not recorded |
| Active | At night (nocturnal) |
| Conservation status | Not recorded |
| Countries on record | 2 countries |

## Introduced range

The Global Register of Introduced and Invasive Species lists it as introduced in 5 countries. Introduced: Austria, Canada, Germany, Poland, United Kingdom. Source: https://griis.org/ (CC BY 4.0).

## Classification

- kingdom: Animalia
- phylum: Arthropoda
- class: Arachnida
- order: Araneae
- family: Theridiidae
- genus: Steatoda
- species: *Steatoda triangulosa* (Walckenaer, 1802)

Synonyms: *Aranea triangulosa*, *Steatoda flavomaculata*, *Steatoda lugubris*, *Steatoda saylori*, *Teutana triangulosa*

## Countries on record

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.

Algeria, China

## Common questions

### How big is the triangulate combfoot?

An adult triangulate combfoot measures 3.5 mm – 8.6 mm long, according to values recorded on Wikidata.

### Where does the triangulate combfoot live?

Catalogue of Life checklists list the triangulate combfoot for 2 countries: Algeria and China. Checklist coverage is uneven, so the true range may be wider.

### Is the triangulate combfoot an invasive species?

The Global Register of Introduced and Invasive Species lists the triangulate combfoot as introduced in 5 countries: Austria, Canada, Germany, Poland and United Kingdom, but does not flag it as invasive in any of them.

### What kind of animal is the triangulate combfoot?

The triangulate combfoot (Steatoda triangulosa) belongs to the family Theridiidae in the order Araneae.

## Sources

- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), 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
- [Global Register of Introduced and Invasive Species (GRIIS)](https://griis.org/), CC BY 4.0, 2026-11-13. Pagad, S., Genovesi, P., Carnevali, L., Schigel, D. & McGeoch, M.A. (2018) Introducing the Global Register of Introduced and Invasive Species. Scientific Data 5: 170202. https://doi.org/10.1038/sdata.2017.202. Country checklists published through GBIF by the IUCN SSC Invasive Species Specialist Group.
- [TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe](https://doi.org/10.5281/zenodo.15063844), CC BY 4.0, 2.0. Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844

Cite as: Triangulate Combfoot (Steatoda triangulosa). Retrieved from https://creaturedata.com/animals/triangulate-combfoot