---
title: "Oranjebruine wegslak"
description: "Arion subfuscus — Andere dieren. Arion subfuscus, sometimes colloquially called the western dusky slug, is a species of land slug."
canonical: https://animalchecklist.com/nl/animal/western-dusky-slug
last_updated: 2026-09-20
---

# Oranjebruine wegslak

> Arion subfuscus — Andere dieren. Arion subfuscus, sometimes colloquially called the western dusky slug, is a species of land slug.

- Scientific name: *Arion subfuscus*
- Category: `other` (Andere dieren)
- Habitats: unknown
- iNaturalist observations: 30752
- Wikidata: [Q910504](https://www.wikidata.org/wiki/Q910504)
- iNaturalist taxon: [61428](https://www.inaturalist.org/taxa/61428)

## Names

- en: Western Dusky Slug
- de: Hellbraune Wegschnecke
- fr: Loche roussâtre
- nl: Oranjebruine wegslak

## Countries with the most observations

US (2268), CA (1059), GB (119), FR (11), DE (10), IE (6), FI (4), CZ (3)

## Summary

Arion subfuscus, sometimes colloquially called the western dusky slug, is a species of land slug. It forms a species complex with Arion fuscus.

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

## Photo

![Oranjebruine wegslak](https://animalchecklist.com/img/animals/western-dusky-slug/medium.jpg)

Photo: Garrett Taylor · CC0 · inaturalist — https://www.inaturalist.org/observations/5245732

## Machine access

`GET https://animalchecklist.com/api/v1/animals/western-dusky-slug?lang=nl` — see [openapi.json](https://animalchecklist.com/openapi.json).