Seq # 275020710

Coleophora potentillae Elisha, 1885 Species

Last modified: Jan. 20, 2024, 3:32 p.m.

A not so common species in Belgium. The first observation was in 1981 at Mol-Balen (AN). Most of the time difficult to find.


Family: Coleophoridae > Genus: Coleophora > Species: Coleophora potentillae
Vernacular names
Braamkokermot (NL), Shaded case-bearer (EN), Brombeer-Sackmotte (DE)
Coleophora bothnicella Kanerva, 1941
First mention in Belgium
Coenen F., De Prins W. & Henderickx H. 1984. Coleophora potentillae Elisha, een nieuwe soort voor de Belgische fauna (Lepidoptera: Coleophoridae). — Phegea 12: 61–66. On page 61. view page




Wingspan: 8–10 mm.
The forewings are shiny black or even with a bronzy appearance.

Museum specimens

No pictures yet!

Specimens in nature

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The youth case, quite different from the full grown case, consisting of many small rings, and having a mouth angle of about 90°. Later on the caterpillar lives in a lobe-case.
The mouth angle is 30°–50°.
See also



The eggs are deposited at the underside of a leaf.
The youth cases are eating after the winter again.
The lobes from adult larvae are cut out from the underside of a leaf (Compare with Coleophora violacea, that cuts the lobes from the upperside of the leaf.)
The adult larvae are fully grown in the autumn.
Adult larvae are wandering around also a lot, reaching so many different plants and rather a lot of misidentification of host plants.
Pupation in the case, usually attached to a trunk in the neighbourhood of the food plant.
The adults come to light.

No pictures yet!

Flight periods

The adults fly in one generation a year, occurring from mid June till the beginning of August.

Observed on

Host plant (species):
Rubus fruticosus
Host plant (genera):
Rubus, Fragaria, Potentilla, Spiraea, Sanguisorba, Agrimonia, Rosa, Filipendula, Betula, Salix, Prunus and Malus

The larvae are very polyphagous, but mostly on Rubus fruticosus.

No pictures yet!