Coleophora orbitella Zeller, 1849 Species
Last modified: Dec. 2, 2024, 6:42 p.m.
A very rare and local species in Belgium.
Details
- Classification
- Family: Coleophoridae > Genus: Coleophora > Species: Coleophora orbitella
- Vernacular names
- Okergrijze kokermot (NL), Pale birch case-bearer (EN), Graue Birken-Sackmotte (DE)
- First mention in Belgium
- De Fré Ch. 1858. Catalogue des Microlépidoptères de la Belgique. — Annales de la Société entomologique belge 2: 45–162. On page 144. view page
- Status
-
Native
Distribution
Imago
Wingspan 10.5–14 mm.
The fore wings are greyish, slightly shining, with no darker dots.
The antennae are ringed to the middle or just beyond.
See also bladmineerders.be
Museum specimens
No pictures yet!Specimens in nature
No pictures yet!Genitalia
Case
The caterpillar lives in a composite leaf case of about 7 mm. The case is dark brown, after over-wintering greyish brown and more unicoloured.
The mouth angle is 10–30°. The case is easily recognizable.
Bionomics
The eggs are deposited at the under side of a leaf.
Larvae are found from mid August, they are fully grown at the end of October.
Pupation takes place only after hibernation. Pupation in the case attached to a twig of the food plant or nearby vegetation.
Flight periods
The adults fly in one generation a year: from late May till early July.
Observed on
- Host plant (species):
- Carpinus betulus and Corylus avellana
- Host plant (genera):
- Betula and Alnus
The larva feeds on Alnus, Betula, Carpinus betulus or Corylus avellana.
