Seq # 800110010

Bena bicolorana (Fuessly, 1775) Species

Last modified: July 29, 2021, 7:51 p.m.

A fairly common species throughout Belgium, more observed in the northern part of the country.


Family: Nolidae > Subfamily: Chloephorinae > Tribus: Chloephorini > Genus: Bena > Species: Bena bicolorana
Vernacular names
Grote groenuil (NL), Scarce Silver-lines (EN), La Halias du Chêne (FR), Großer Kahnspinner, Eichen-Kahnspinner (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 20.




Museum specimens

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Specimens in nature


Hibernates as a small larva on or near a bud of the food plant. Pupates in a tough, boat-shaped cocoon on the underside of a leaf of the food plant.

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Flight periods

The adults fly from late May towards early August in one generation. In favourable years a small partial second generation occurs during September, but it's seldom recorded. They come to light and sugar.

Observed on

Host plant (genera):
Deciduous trees

The larva lives on Quercus and Betula.

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