Seq # 275020650

Coleophora orbitella Zeller, 1849 Species

Last modified: Sept. 5, 2023, 8:03 p.m.

A very rare and local species in Belgium.


Family: Coleophoridae > Genus: Coleophora > Species: Coleophora orbitella
Vernacular names
Okergrijze kokermot (NL), Pale birch case-bearer (EN)
First mention in Belgium
De Fré Ch. 1858. Catalogue des Microlépidoptères de la Belgique. — Annales de la Société entomologique belge 2: 45–162. On page 144. view page




The fore wings are greyish, slightly shining, with no darker dots.
The antennae are ringed till the middle or just beyond.
Wingspan is 10.5–14 mm.
See also

Museum specimens

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Specimens in nature

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The caterpillar lives in a composite leaf case of about 7 mm. The case is dark brown, after over wintering greyish brown and more unicoloured.
The mouth angle is 10–30°. The case is easily recognisable.


The eggs are deposited at the under side of a leaf.
Larvae are found from mid August, they are fully grown at the end of October.
Pupation takes place only after hibernation. Pupation in the case attached to a twig of the food plant or nearby vegetation.

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Flight periods

The adults fly in one generation a year: from late May till early July.

Observed on

Host plant (species):
Carpinus betulus and Corylus avellana
Host plant (genera):
Betula and Alnus

The larva feeds on Alnus, Betula, Carpinus betulus or Corylus avellana.

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