Seq # 901270010

Coenobia rufa (Haworth, 1809) Species

Last modified: May 7, 2024, 5:53 p.m.

A not-so-common species in Belgium, mainly known from te northern part of the country.

This species is considered Near Threatened according to the IUCN Red List category for Flanders 2023.


Family: Noctuidae > Subfamily: Xyleninae > Tribus: Apameini > Genus: Coenobia > Species: Coenobia rufa
Vernacular names
Russenuil (NL), Small Rufous (EN), La Nonagrie rougeâtre (FR), Rötliche Binseneule (DE)
First mention in Belgium
De Laever E. 1948. Espèces nouvelles pour la faune belge. — Lambillionea 48: 18–20. On page 18.




Wingspan 22–25 mm.

Museum specimens

Specimens in nature


The larva lives inside the stem. Hibernates as a small larva and pupates low down in an old stem of the food plant.
The adults fly in the hour before dusk and occasionally come to light later in the night.

No pictures yet!

Flight periods

The adults fly from mid-June till late August in one generation a year.

Observed on

Host plant (genera):

The larva lives on various species of Juncus.

No pictures yet!