Seq # 275020910

Coleophora tanaceti Mühlig, 1865 Species

Last modified: Sept. 14, 2023, 12:39 p.m.

A new species for Belgium in 1985 (BR), Nowadays still a very rare species in the northern part of Belgium.


Family: Coleophoridae > Genus: Coleophora > Species: Coleophora tanaceti
Vernacular names
Wormkruidkokermot (NL)
First mention in Belgium
Coenen F. 1996. Coleophora tanaceti Mühlig, 1865 et Coleophora supinella Ortner, 1949, espèces nouvelles pour la faune belge (Lepidoptera: Coleophoridae). — Phegea 24(2): 89–90. On page 89. view page




The fore wings are light grey till light brown with lighter stripes.
The antennae are ringed alternating white and grey.
The wing span is 12–14,5 mm.

Museum specimens

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Specimens in nature

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The case is brown and made of silk. It is trivalved, 6–8 mm, with a mouth angle of 10°.
See also


The eggs are oviposited on the flowers. Generally this species lives in the inflorescence, feeding on the flowers; very rarely however it behaves as a leafminer feeding on the leaves of the plant. Larvae from August till November.
Cases can be found on the flowers till well in November, they hibernate or on the plant itself or in the neighborhood at ground level.

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Flight periods

The adults fly from the end of May till the beginning of July.

Observed on

Host plant (species):
Tanacetum vulgare
Host plant (genera):

Tanacetum vulgare.

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