Coleophora binderella (Kollar, 1832) Species
Last modified: Nov. 18, 2023, 4:50 p.m.
A very rare species in Belgium, but found troughout the country.
Details
- Classification
- Family: Coleophoridae > Genus: Coleophora > Species: Coleophora binderella
- Vernacular names
- Gefrommelde kokermot (NL), Grey alder case-bearer (EN), Erlen-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: 8–12 mm.
This species is coloured rust-brown and its antennae are ringed to half the length of the front wing or a bit beyond.
Museum specimens
No pictures yet!Specimens in nature
No pictures yet!Egg
Eggs are deposited at the underside of a leaf.
Caterpillar
Initially the caterpillar is greenish brown but with ageing it becomes dark brown. The head is black.
Case
The caterpillar builds a sloppy built case composed of larger leaf fragments and can reach a size of about 7–8 mm. After hibernation the case can have a two-tone appearance caused by the addition of new and fresh leaf fragments to the case. The mouth angle is 40–45°.
See also bladmineerders.be.
Bionomics
The eggs of this species are laid on the underside of leafs where the young larvae also start to mine from the beginning of October. They overwinter in their case attached to a leaf or twig, resume feeding in April and are full-grown by the end of May .
Flight periods
The adults fly in one generation during June and July.
Observed on
- Host plant (species):
- Alnus glutinosa and Corylus avellana
- Host plant (genera):
- Alnus, Carpinus and Betula
Alnus is the most important food plant, but also on: Betula, Corylus or Carpinus.
