Seq # 902030020

Orthosia opima (Hübner, 1809) Species

Last modified: April 11, 2024, 6:06 p.m.

A very rare species in Belgium, thinly distributed and nowadays only recorded in LG and LX. Very recently (2019) a specimen was trapped in AN, very close to the Dutch border. This record was the first for Flanders after more than 20 years of absence.


Family: Noctuidae > Subfamily: Hadeninae > Tribus: Orthosiini > Genus: Orthosia > Subgenus: Cororthosia > Species: Orthosia opima
Vernacular names
Bandvoorjaarsuil (NL), Northern Drab (EN), La Téniocampe riche (FR), Opima-Kätzcheneule (DE)
First mention in Belgium
Hackray J. 1936. Espèce nouvelle pour la faune belge Monima (Taeniocampa) opima Hubner. — Lambillionea 36: 222–224. On page 222.




Wingspan 34–40 mm.

Museum specimens

Specimens in nature


Hibernates as a pupa in a cocoon in the sand.
The adults come to light and sugar.

No pictures yet!

Flight periods

The adults fly in one generation a year from mid-March till mid-May.

Observed on

Host plant (species):
Genista tinctoria and Senecio jacobaea
Host plant (genera):
Salix and Betula
Shrubs, Herbaceous plants and Deciduous trees

The polyphagous larva lives on different species of trees and herbaceous plants like Salix, Betula, Senecio or Artemisia vulgaris.

No pictures yet!