Seq # 902210010

Anarta myrtilli (Linnaeus, 1761) Species

Last modified: June 4, 2024, 3:04 p.m.

A fairly common species throughout Belgium in suitable habitats, with most observations in the Kempen.

This species is considered Least Concern according to the IUCN Red List category for Flanders 2023.


Family: Noctuidae > Subfamily: Hadeninae > Tribus: Hadenini > Genus: Anarta > Subgenus: Anarta > Species: Anarta myrtilli
Vernacular names
Roodbont heide-uiltje (NL), Beautiful Yellow Underwing (EN), La Noctuelle de la Myrtille (FR), Heidekrauteulchen (DE)
First mention in Belgium
De Sélys-Longchamps E. 1844. Énumération des insectes Lépidoptères de la Belgique. — Mémoires de la Société royale des Sciences de Liége 2: 1–35. On page 14.




Wingspan 20–22 mm.

Museum specimens

Specimens in nature



The caterpillar mainly forages at night and rest during the day on the host plant.
Hibernates as a larva or as a puppa in a tough cocoon on or underground.
The adults are active during sunny days and later come to light.

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Flight periods

The adults fly in two, sometimes three, hard to define generations a year from mid-April till well into October.

Observed on

Host plant (species):
Erica cinerea, Calluna vulgaris and Erica tetralix

The larva lives mainly on Calluna vulgaris or Erica tetralix.

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Heathlands on sandy soils.

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