Seq # 700410030

Spilosoma urticae (Esper, 1789) Species

Last modified: July 1, 2022, 2:54 p.m.

A rare species throughout Belgium, mainly observed in the northern part of the country.


Family: Erebidae > Subfamily: Arctiinae > Tribus: Arctiini > Genus: Spilosoma > Species: Spilosoma urticae
Vernacular names
Sneeuwbeer (NL), Water Ermine (EN), L'Ecaille de l'Ortie (FR), Schmalflügeliger Fleckleibbär (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 29 (as Chelonia Urticae). view page




Museum specimens

Specimens in nature


Flight periods

The adults fly in one generation a year; from early May till begin of July. They readily come to light.

Observed on

Host plant (species):
Lysimachia vulgaris, Rumex hydrolapathum and Pedicularis sylvatica
Host plant (genera):

The larva lives on various species of herbaceous and marshland plants like Rumex hydrolapathum, Mentha aquatica, Lysimachia vulgaris, Iris pseudacorus, Pedicularis sylvatica etc... Hibernates as a larva in a loose cocoon among plant debris.

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