Last modified: June 17, 2024, 12:15 p.m.
A very rare species in Belgium, mainly in the southern part of the country.
Native
Wingspan 12–14 mm. The forewings are yellow till ochreous yellow, especially to the tip of the wings. There are 3 distinct white lines in the forewings. At the base of the antennae, there is a white dot of scales visible.
The case is a lob case composed of leaf fragments. It is 7–8 mm and the mouth angle is 45°.
After overwintering the case has lost a part of the leaf fragments.
See also bladmineerders.be.
The larvae are making very small fleck mines.
The larvae live until June. To overwinter, the larvae look for hiding places like in a fork of stalk at the base of the host plant.
The adults fly in June and July.
The larva lives mainly on Cytisus. Other host plants in the literature mentioned are Genista, Laburnum and Spartium.