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 12.
Status
Native
Distribution
Imago
Wingspan: 32–38 mm.
Museum specimens
Specimens in nature
Egg
Bionomics
Hibernates as a small larva low down among grass. The adults come to light and sugar.
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Flight periods
The adults fly from mid-August till mid-October in one generation.