---
title: "Acidalie dégénérée"
description: "Idaea degeneraria — Insectes et araignées. Idaea degeneraria, the Portland ribbon wave, is a moth of the family Geometridae."
canonical: https://animalchecklist.com/fr/animal/portland-ribbon-wave
last_updated: 2026-09-20
---

# Acidalie dégénérée

> Idaea degeneraria — Insectes et araignées. Idaea degeneraria, the Portland ribbon wave, is a moth of the family Geometridae.

- Scientific name: *Idaea degeneraria*
- Category: `insects` (Insectes et araignées)
- Habitats: unknown
- iNaturalist observations: 12326
- Wikidata: [Q137092](https://www.wikidata.org/wiki/Q137092)
- iNaturalist taxon: [318537](https://www.inaturalist.org/taxa/318537)

## Names

- en: Portland Ribbon Wave
- de: Zweifarbiger Doppellinien-Zwergspanner
- fr: Acidalie dégénérée
- nl: Bandstipspanner

## Countries with the most observations

FR (2784), PT (2017), ES (1975), IT (805), AT (638), HU (603), BG (340), UA (234), GB (214), GR (206), RU (189), CH (169)

## Summary

Idaea degeneraria, the Portland ribbon wave, is a moth of the family Geometridae. The species was first described by Jacob Hübner in 1799.

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

## Photo

![Acidalie dégénérée](https://animalchecklist.com/img/animals/portland-ribbon-wave/medium.jpg)

Photo: Andreas Manz · CC0 · inaturalist — https://www.inaturalist.org/observations/94766240

## Machine access

`GET https://animalchecklist.com/api/v1/animals/portland-ribbon-wave?lang=fr` — see [openapi.json](https://animalchecklist.com/openapi.json).