Seq # 602010230

Idaea straminata (Borkhausen, 1794) Species

Last modified: March 30, 2021, 9:54 p.m.

A not so common and local species in Belgium, mainly known from the Kempen and the south of the country.


Family: Geometridae > Subfamily: Sterrhinae > Tribus: Sterrhini > Genus: Idaea > Species: Idaea straminata
Vernacular names
Egale stipspanner (NL), Plain Wave (EN), L'Acidalie sobre (FR), Olivgrauer Doppellinien-Zwergspanner (DE)
Idaea inornata (Haworth, 1809) and Idaea suffusata (Treitschke, 1828)
First mention in Belgium
Fologne E. 1859a. Lépidoptères. Catalogue des Phalénidées. Deuxième partie. — Annales de la Société entomologique belge 3: 107–132. On page 130.




Museum specimens

Specimens in nature

Flight periods

The adults fly in one generation a year; onwards from early June till early August. Sometimes a partial second generation occurs till mid September. They are active from dusk onwards and later come to light.

Observed on

Host plant (genera):
Taraxacum and Polygonum

The larva lives on different species of low herbaceous plants like Taraxacum or Polygonum. Hibernates as larva and pupates among plant debris.

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Prefers sandy soils.

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