Seq # 902320020

Polia hepatica (Clerck, 1759) Species

Last modified: Oct. 15, 2022, 11:27 a.m.

A rare, local and declining species in Belgium. Known from the coast, the Kempen and the southern part of the country.


Family: Noctuidae > Subfamily: Hadeninae > Tribus: Hadenini > Genus: Polia > Species: Polia hepatica
Vernacular names
Gerande marmeruil (NL), Silvery Arches (EN), La Noctuelle du Bouleau (FR), Birken-Blättereule (DE)
Polia tricoma (Hufnagel, 1766) and Polia tincta (Brahm, 1791)
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 (as tincta). view page




Wingspan: 43–52 mm.

Museum specimens

Specimens in nature


Hibernates as a small larva between low vegetation and pupates underground.
The adults come to light and sugar.

No pictures yet!

Flight periods

The adults fly in one generation a year: from mid May till mid July.

Observed on

Host plant (species):
Myrica gale
Host plant (genera):
Betula, Salix, Crataegus, Lonicera and Vaccinium
Deciduous trees and Shrubs

The larva lives mainly on Betula and Myrica gale, but has also been observed to feed on other plants like: Lonicera, Salix or Vaccinium.

No pictures yet!