Coleophora tanaceti Mühlig, 1865 Species
Last modified: Oct. 23, 2025, 2:27 p.m.
A new species for Belgium in 1985 (BR). Nowadays still a very rare species in the northern part of Belgium.
Details
- Classification
- 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 (as Coleophora tanaceti Mühlig, 1865). view page
- Status
-
Native
Distribution
Imago
Wingspan 12–14,5 mm.
The forewings are light grey to light brown with lighter stripes.
The antennae are ringed, alternating white and grey.
Museum specimens
Specimens in nature
No pictures yet!Case
The trivalved case is brown and made of silk, about 6 to 8 mm long, and with a mouth angle of 10°.
See also bladmineerders.be.
Bionomics
The eggs are oviposited on the flowers. Generally, this species lives in the inflorescence, feeding on the flowers; however, it very rarely behaves as a leafminer, feeding on the leaves of the plant, with larvae present from August to November.
Cases can be found on the flowers till well into November, they hibernate on the plant itself or in the neighborhood at ground level.
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
The larvae live on Tanacetum vulgare.
