Seq # 602010020

Idaea biselata (Hufnagel, 1767) Species

Last modified: Feb. 18, 2023, 10:10 a.m.

A common species throughout Belgium.


Family: Geometridae > Subfamily: Sterrhinae > Tribus: Sterrhini > Genus: Idaea > Species: Idaea biselata
Vernacular names
Schildstipspanner (NL), Small Fan-footed Wave (EN), La Truie (FR), Breitgesäumter 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.




Wingspan:: 15–20 mm.

Museum specimens

Specimens in nature


Hibernates as larva and pupates between fallen leaves.
The adults come to light and sugar.

No pictures yet!

Flight periods

The adults fly in one, sometimes two generations a year: from mid May till late September.

Observed on

Host plant (genera):
Taraxacum, Polygonum, Plantago and Rubus

The larva lives on a great variety of herbaceous plants and on fallen leaves.

No pictures yet!