Seq # 602010250

Idaea sylvestraria (Hübner, 1799) Species

Last modified: March 30, 2021, 10:28 p.m.

A rare species in Belgium, mainly known from the Kempen and the south of the country.


Family: Geometridae > Subfamily: Sterrhinae > Tribus: Sterrhini > Genus: Idaea > Species: Idaea sylvestraria
Vernacular names
Randstipspanner (NL), Dotted Bordered Wave (EN), L'Acidalie sylvestre (FR), Weißlichgrauer Zwergspanner (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 18.




Museum specimens

Specimens in nature

Flight periods

The adults fly from end of May till end of August in one generation. They come to light.

Observed on

Host plant (genera):
Taraxacum and Polygonum

The larva lives on different species of low herbaceous plants, like Artemisia vulgaris, Polygonum, Taraxacum, and Thymus. It hibernates as larva and pupates in the ground.

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