Seq # 700540010

Spiris striata (Linnaeus, 1758) Species

Last modified: March 3, 2024, 6:47 p.m.

An extremely rare, local and declining species in Belgium. Nowadays only known from one location in LI.
On the brink of extinction, but visitors come regularly from the nearby populations in the Netherlands


Family: Erebidae > Subfamily: Arctiinae > Tribus: Arctiini > Genus: Spiris > Species: Spiris striata
Vernacular names
Geel grasbeertje (NL), Feathered Footman (EN), L'Ecaille striée (FR), Gestreifter Grasbär (DE)
Spiris grammica (Linnaeus, 1761)
First mention in Belgium
Fologne E. 1859b. Supplément au catalogue des lépidoptères de Belgique. — Annales de la Société entomologique belge 3: 133–142. On page 133 (as Emydia grammica). view page




Museum specimens

Specimens in nature


Hibernates as a small larva and pupates later in a flimsy cocoon among grass or heathers. The adults are active by day and later come to light.

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Flight periods

The adults fly in one generation a year; from early June till late August, but most specimens are seen during the last week of June.

Observed on

Herbaceous plants

The larva feeds on various grasses and herbaceous plants like Corynephorus canescens, Festuca, Erica tetralix, Calluna vulgaris and Vaccinium.

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It inhabits nutrient-poor grasslands and heathland.

No pictures yet!