Seq # 903150020

Diarsia dahlii (Hübner, 1813) Species

Last modified: Feb. 14, 2021, 5:56 p.m.

A very rare moorland species in Belgium, now possibly extinct. Used to be seen in very small numbers in the Kempen and Ardennes area.


Family: Noctuidae > Subfamily: Noctuinae > Tribus: Noctuini > Genus: Diarsia > Species: Diarsia dahlii
Vernacular names
Moerasbreedvleugeluil (NL), Barred Chestnut (EN), La Diarsie de la Lancéole (FR), Moorwiesen-Erdeule (DE)
First mention in Belgium
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 11. view page




Museum specimens

No pictures yet!

Specimens in nature


Hibernates as a larva. They visit flowers and come to light and sugar.

No pictures yet!

Flight periods

The adults are on the wing in one generation from mid July to September.

Observed on

Host plant (species):
Vaccinium myrtillus and Calluna vulgaris
Host plant (genera):
Betula and Salix

The larva lives presumably on a variety of herbaceous plants and shrubs like: Vaccinium and Calluna vulgaris, and also on Salix and Betula.

No pictures yet!