# Window lace-weaver (*Amaurobius fenestralis*)

Canonical page: https://creaturedata.com/animals/window-lace-weaver  
Data as of: 2026-11-14

The window lace-weaver (Amaurobius fenestralis) is a species in the family Amaurobiidae, order Araneae. Recorded adults reach 9.6 mm in length.

## Quick facts

| Fact | Value |
|---|---|
| Weight | Not recorded |
| Length | 4 mm – 9.6 mm |
| Lifespan | Not recorded |
| Diet | Invertivore |
| Main food | Not recorded |
| Habitat | forest, human_modified |
| Young per litter or clutch | Not recorded |
| Conservation status | Not recorded |
| Countries on record | Not recorded |

## Recorded prey and predators

Recorded prey: Diplocephalus picinus (*Diplocephalus picinus*), Ectinus aterrimus (*Ectinus aterrimus*), Geostiba circellaris (*Geostiba circellaris*), Small sheet-web weaver (*Microneta viaria*), Oxypoda annularis (*Oxypoda annularis*), Common Schendyla (*Schendyla nemorensis*), Tapinocyba insecta (*Tapinocyba insecta*), Acrotona sylvicola (*Acrotona sylvicola*), Agonum sexpunctatum (*Agonum sexpunctatum*), Buzzing spider (*Anyphaena accentuata*), Red-brown click beetle (*Athous haemorrhoidalis*), Athous subfuscus (*Athous subfuscus*). Recorded predators: Common Schendyla (*Schendyla nemorensis*), Bronze carabid (*Carabus nemoralis*), Cychrus attenuatus (*Cychrus attenuatus*), Geophilus truncorum (*Geophilus truncorum*), Shorter red centipede (*Strigamia acuminata*). Each pair is recorded by at least two datasets compiled by Global Biotic Interactions (https://www.globalbioticinteractions.org/, CC0 1.0).

## Classification

- kingdom: Animalia
- phylum: Arthropoda
- class: Arachnida
- order: Araneae
- family: Amaurobiidae
- genus: Amaurobius
- species: *Amaurobius fenestralis* (Ström, 1768)

Synonyms: *Amaurobius atrox*, *Aranea fenestralis*, *Ciniflo fenestralis*

## Common questions

### How big is the window lace-weaver?

An adult window lace-weaver measures 4 mm – 9.6 mm long, according to values recorded on Wikidata.

### What kind of animal is the window lace-weaver?

The window lace-weaver (Amaurobius fenestralis) belongs to the family Amaurobiidae in the order Araneae.

### What eats the window lace-weaver?

Animals recorded preying on the window lace-weaver include common schendyla, bronze carabid, cychrus attenuatus and geophilus truncorum. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

### Which animals does the window lace-weaver eat?

Animals recorded as prey of the window lace-weaver include diplocephalus picinus, ectinus aterrimus, geostiba circellaris and small sheet-web weaver. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

## 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 Biotic Interactions (GloBI): interpreted data products](https://www.globalbioticinteractions.org/), CC0 1.0, 0.11. Poelen, J.H., Simons, J.D. & Mungall, C.J. (2014) Global Biotic Interactions: an open infrastructure to share and analyze species-interaction datasets. Ecological Informatics 24: 148–159. https://doi.org/10.1016/j.ecoinf.2014.08.005. Data: https://doi.org/10.5281/zenodo.22691479, with each record's original reference.
- [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: Window lace-weaver (Amaurobius fenestralis). Retrieved from https://creaturedata.com/animals/window-lace-weaver