Seq # 902330030

Sideridis turbida (Esper, 1790) Species

Last modified: May 7, 2024, 1:21 p.m.

A rare and local species in Belgium, with a preference for dry and sandy habitats. More observed in the northern part of the country.

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


Family: Noctuidae > Subfamily: Hadeninae > Tribus: Hadenini > Genus: Sideridis > Subgenus: Sideridis > Species: Sideridis turbida
Vernacular names
Tandjesuil (NL), White Colon (EN), Le Tréma blanc (FR), Kohleulenähnliche Wieseneule (DE)
Sideridis albicolon (Hübner, 1813)
First mention in Belgium
De Sélys-Longchamps E. 1857b. Addenda au premier volume. — Annales de la Société entomologique belge 1: 175–176. On page 175 (as Luperina Albicolon, H.). view page




Wingspan 38–44 mm.

Museum specimens

Specimens in nature


During the day, the larva hides under the ground and hibernates as a pupa in a weak cocoon deep under the ground.
The adults is active during the day and at night. They come to light and sugar.

No pictures yet!

Flight periods

The adults fly in one generation from May till mid-August.
In favourable years a partial second generation occurs in late August and September.

Observed on

Host plant (species):
Cakile maritima and Honckenya peploides
Host plant (genera):
Chenopodium, Atriplex, Polygonum and Rumex
Herbaceous plants

The larva lives on various low plants like Cakile maritima, Honkenya peploides, Spergularia rubra or Plantago lanceolata.

No pictures yet!


It inhabits dry and sandy habitats like coastal dunes, moorland, nutrient-poor grasslands, etc...

No pictures yet!