---
title: "Knot Grass Moth"
description: "Acronicta rumicis — Insects & spiders. Acronicta rumicis, the knot grass moth, is a species of moth which is part of the genus Acronicta and family Noctuidae."
canonical: https://animalchecklist.com/animal/knot-grass-moth
last_updated: 2026-09-20
---

# Knot Grass Moth

> Acronicta rumicis — Insects & spiders. Acronicta rumicis, the knot grass moth, is a species of moth which is part of the genus Acronicta and family Noctuidae.

- Scientific name: *Acronicta rumicis*
- Category: `insects` (Insects & spiders)
- Habitats: `grassland` (Fields & meadows)
- iNaturalist observations: 33090
- Wikidata: [Q474590](https://www.wikidata.org/wiki/Q474590)
- iNaturalist taxon: [55623](https://www.inaturalist.org/taxa/55623)

## Names

- en: Knot Grass Moth
- de: Ampfer-Rindeneule
- es: Polilla de la Acedera
- fr: Noctuelle de la Patience
- it: Acronicta (Viminia) rumicis
- nl: Zuringuil
- pl: Wieczernica szczawiówka

## Countries with the most observations

GB (5740), FR (3483), DE (3196), AT (2491), RU (2204), IT (1724), ES (1399), FI (1259), CH (838), PL (748), PT (740), CZ (731)

## Summary

Acronicta rumicis, the knot grass moth, is a species of moth which is part of the genus Acronicta and family Noctuidae. It was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. It is found in the Palearctic region. A. rumicis lives and feeds on plants located in wide-open areas. At its larval stage, as a caterpillar, it causes such a large impact as a crop pest that it has received much attention and research. A. rumicis feeds on maize, strawberries and other herbaceous plants.
The moth's evolution has been affected by the industrial melanism that occurred in Europe during the late 19th…

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

## Photo

![Knot Grass Moth](https://animalchecklist.com/img/animals/knot-grass-moth/medium.jpg)

Photo: Federico Del Barba · CC0 · inaturalist — https://www.inaturalist.org/observations/118359619

## Machine access

`GET https://animalchecklist.com/api/v1/animals/knot-grass-moth?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).