Seq # 250130010

Exaeretia allisella Stainton, 1849 Species

Last modified: March 5, 2021, 11:21 a.m.

A very rare and local species in Belgium, only known from some old records.


Family: Depressariidae > Subfamily: Depressariinae > Genus: Exaeretia > Species: Exaeretia allisella
Vernacular names
Bijvoetplatlijfje (NL)
First mention in Belgium
De Crombrugghe G. 1906a. Catalogue raisonné des Microlépidoptères de Belgique. — Mémoires de la Société entomologique de Belgique XIII: 1–172; XIV: 1–155. On page 43.




Dull green with reddish brown shading dorsally; head capsule pale brown; prothoracic plate and last abdominal segment greenish brown marbled brown; pinacula dark grey and conspicuoud.

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A loose cocoon, pupa brown.

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The caterpillar feeds internally in a gallery within the rootstock. The species hibernates in the larval stage and after hibernation the larva moves to a fresh, young stem during March–May.
Pupation in a loose cocoon in the soil or among root debris at the base of the food plant, late May–June.
Adults are rarely seen in flight. They may be found resting after dark on or near the larval food plant.

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Flight periods

One generation a year: July–August.

Observed on

Host plant (species):
Artemisia vulgaris

Monophagous on Artemisia vulgaris.

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Open habitats in grassland, waste ground, ruderal places, coastal areas

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