Seq # 700260010

Gynaephora fascelina (Linnaeus, 1758) Species

Last modified: July 1, 2022, 11:43 a.m.

A rare species throughout Belgium.


Family: Erebidae > Subfamily: Lymantriinae > Tribus: Orgyiini > Genus: Gynaephora > Species: Gynaephora fascelina
Vernacular names
Grauwe borstel (NL), Dark Tussock (EN), Le Bombyx porte-brosses (FR), Ginster-Streckfuß (DE)
First mention in Belgium
De Sélys-Longchamps E. 1837. Catalogue des Lépidoptères ou Papillons de la Belgique, précédé du tableau des Libellulines de ce pays. — — : 1–29. On page 28 (as Sericaria Fascelina). view page




Museum specimens

Specimens in nature


Flight periods

The adults fly from mid May till late August in one generation a year. They are active by night and later come to light.

Observed on

Host plant (genera):
Calluna, Crataegus, Salix and Cytisus

The larva lives mainly on Calluna vulgaris but also on a variety of deciduous trees, shrubs and herbaceous plants like Salix, Betula, Crataegus, Cytisus and Rubus. Hibernates as a small larva in a silk shelter attached to the food plant, often with several larvae together.

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