Seq # 275020360

Coleophora fuscocuprella Herrich-Schäffer, 1855 Species

Last modified: Dec. 16, 2023, 2:53 p.m.

A very rare and local species throughout Belgium.


Family: Coleophoridae > Genus: Coleophora > Species: Coleophora fuscocuprella
Vernacular names
Lichte groenglanskokermot (NL), Hazel case-bearer (EN), Hasel-Sackmotte (DE)
First mention in Belgium
De Prins W. 2003. Four new species for the Belgian fauna (Lepidoptera: Lyonetiidae, Coleophoridae, Pterophoridae). — Phegea 31(3): 87–90. On page 88. view page




Wingspan: 7,5–10 mm. The forewings are shiny grey.
The antennae are very dark ringed the first half from the base then obviously alternately dark brown white till the tip.

Museum specimens

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Specimens in nature

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The ground-colour is yellow.

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The caterpillars make a large number of relatively small blotch mines. The case is a lob-case and the end is strongly curved downwards. The mouth angle is 45°.
See also


Fully grown cases in August and October. After overwintering the caterpillars don’t eat anymore.
Pupation in the case, usually attached to a trunk just above ground level.
The adults come infrequently to light.

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Flight periods

The adults fly in one generation from mid-May to late June.

Observed on

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

The most important food plant is Carpinus betulus, but also on: Betula, Corylus or sometimes Alnus.

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