Seq # 700960010

Trisateles emortualis (Denis & Schiffermüller, 1775) Species

Last modified: April 3, 2022, 2:34 p.m.

A rare and local species in the northern part of Belgium, though widespread. In the southern part not so common and local.


Family: Erebidae > Subfamily: Boletobiinae > Genus: Trisateles > Species: Trisateles emortualis
Vernacular names
Geellijnsnuituil (NL), Olive Crescent (EN), L'Herminie olivâtre (FR), Gelblinien-Spannereule (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 19.




Museum specimens

Specimens in nature


Flight periods

The adults fly in two generations a year; from mid May till late September. They come to light.

Observed on

Host plant (genera):
Quercus and Fagus

The larva lives mainly on Quercus, but also on Fagus and Castanea sativa, even on the fallen leaves. Hibernates as a pupa in a cocoon among plant debris.

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