Seq # 275020600

Coleophora milvipennis Zeller, 1839 Species

Last modified: March 26, 2021, 9:56 a.m.

An uncommon species in Belgium.


Family: Coleophoridae > Genus: Coleophora > Species: Coleophora milvipennis
Vernacular names
Spatelberkkokermot (NL), Buff birch case-bearer (EN)
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




The forewings are ochreous with a lighter costa line just over the middle of the wing. In the males the costal line is pure white while in the females it is ochreous.
Wingspan is 10–13 mm.
The antennae are ringed alternately till ¾.

Museum specimens

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Specimens in nature

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The caterpillars live in a slender case of 8–11 mm, which is curved at the end, mostly there are small dots on the case.
The mouth angle is 15°.
See also


The fleck mines are often conspicuously brown.

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The eggs are deposited at the under side of a leaf.
The larvae can be found almost all year around. The caterpillars are fully grown in September and then they are searching for a place to hibernate. After overwintering they don’t feed any more.
Pupation takes place in June.
The adults come to light.

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Flight periods

The adults are on the wing from the end of May till the beginning of september.

Observed on

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

Betula is the most important hostplant. They take also, but more rarely, Carpinus betulae.

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