---
title: "Window Lace-weaver"
description: "Amaurobius fenestralis — Insetos e aranhas. Amaurobius fenestralis is a species of spider in the family Amaurobiidae."
canonical: https://animalchecklist.com/pt/animal/window-lace-weaver
last_updated: 2026-09-20
---

# Window Lace-weaver

> Amaurobius fenestralis — Insetos e aranhas. Amaurobius fenestralis is a species of spider in the family Amaurobiidae.

- Scientific name: *Amaurobius fenestralis*
- Category: `insects` (Insetos e aranhas)
- Habitats: `urban` (Cidades e jardins)
- iNaturalist observations: 1223
- Wikidata: [Q1762374](https://www.wikidata.org/wiki/Q1762374)
- iNaturalist taxon: [426154](https://www.inaturalist.org/taxa/426154)

## Names

- en: Window Lace-weaver
- de: Fensterspinne
- fr: Amaurobe des fenêtres
- nl: Huiskaardespin

## Countries with the most observations

DE (68), GB (57), PL (39), SE (39), AT (29), DK (27), FR (15), LT (14), CZ (12), IT (6), SK (6), BY (4)

## Summary

Amaurobius fenestralis is a species of spider in the family Amaurobiidae.
It is one of at least two common spiders found in houses known as lace-webbed spider, the other being Amaurobius similis. The specific name similis is based on its similarity to A. fenestralis. Both are often found near windows, hence the specific name of A. fenestralis. The two species are difficult to distinguish: A. fenestralis tends to be smaller and lighter in colouration when an adult. Both species have V-shaped markings on their abdomens, with A. fenestralis usually having two or three, and A. similis four. Examination of the genitalia…

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Amaurobius_fenestralis

## Photo

![Window Lace-weaver](https://animalchecklist.com/img/animals/window-lace-weaver/medium.jpg)

Photo: Zygy · CC0 · inaturalist — https://www.inaturalist.org/observations/31053145

## Machine access

`GET https://animalchecklist.com/api/v1/animals/window-lace-weaver?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).