Seq # 650050040

Clostera pigra (Hufnagel, 1766) Species

Last modified: May 7, 2024, 5:43 p.m.

A rather rare species throughout Belgium, with most observations in the Kempen and in the southern part.

This species is considered Near Threatened according to the IUCN Red List category for Flanders 2023.


Family: Notodontidae > Subfamily: Pygaerinae > Genus: Clostera > Species: Clostera pigra
Vernacular names
Donkere wapendrager (NL), Small Chocolate-tip (EN), La Hausse-Queue brune, la Recluse (FR), Kleiner Raufußspinner (DE)
Clostera reclusa (Denis & Schiffermüller, 1775)
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 27 (as Pygoera [sic] Reclusa). view page




Wingspan 22–27 mm.

Museum specimens

Specimens in nature


The caterpillars of Clostera pigra and Clostera curtula cannot be distinguished habitually! Breeding up to the moth is necessary for a safe determination.


Hibernates as a pupa in a cocoon spun between leaves of the food plant.
The adults fly occasionally during the day and later on come to light.

No pictures yet!

Flight periods

The adults fly in two generations a year from early April till June and again from mid-July till beginning of September.

Observed on

Host plant (species):
Salix aurita, Salix repens and Populus tremula
Host plant (genera):
Salix and Populus

The larva lives especially on Salix, but also on Populus.

No pictures yet!