Spiris striata (Linnaeus, 1758) Species
Last modified: Dec. 9, 2024, 12:40 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.
This species is considered Critically Endangered according to the IUCN Red List category for Flanders 2023.
Details
- Classification
- 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)
- Synonyms
- 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
- Status
-
Native
Distribution
Imago
Museum specimens
Specimens in nature
Bionomics
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.
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
- Substrates:
- Herbaceous plants
The larva feeds on various grasses and herbaceous plants like Corynephorus canescens, Festuca, Erica tetralix, Calluna vulgaris and Vaccinium.
Habitat
It inhabits nutrient-poor grasslands and heathland.
