Seq # 902420070

Mythimna pallens (Linnaeus, 1758) Species

Last modified: June 17, 2022, 12:26 p.m.

A common species throughout Belgium.
A local form occurs on the seacoasts of northwestern Europe, sometimes treated as a species "Mythimna favicolor". The species status is very controversial. (including no difference in DNA at all)
We believe that this is a form of Mythimna pallens.


Family: Noctuidae > Subfamily: Hadeninae > Tribus: Hadenini > Genus: Mythimna > Subgenus: Mythimna > Species: Mythimna pallens
Vernacular names
Bleke grasuil (NL), Common Wainscot (EN), La Leucanie blafarde (FR), Bleiche Graseule (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 12. view page




Museum specimens

Specimens in nature


Hibernates as a small larva low down in the vegetation. The adults come to light and sugar.

No pictures yet!

Flight periods

The adults fly in two generations a year from mid May till mid October. Individuals of the second generation are most numerous.

Observed on

Host plant (species):
Deschampsia cespitosa and Dactylis glomerata

The larva lives on various species of Gramineae like Deschampsia cespitosa and Dactylis glomerata.

No pictures yet!