Last modified: Dec. 16, 2023, 2:25 p.m.
Only discovered in Belgium in 1952, a very rare and local species, restricted to the coastal area.
Native
Wingspan: 9–14 mm.
The greyish ochreous forewing has an indistinct white costal line. Sometimes there are blackish stipples on the veins.
The antennae are alternately ringed brown white till the tip.
The full-grown larva lives in a pale brown, trivalved, silken case. It is about 9 mm long with a mouth angle of 20–30°.
See also bladmineerders.be.
Larvae from August. The larvae feed both on the developing fruits and on the leaves. They are fully grown in October.
The cases are sitting rather prominently on top of the plants.
Pupation takes place at ground level.
The adults are on the wing from the end of June till the beginning of August.
Bassia laniflora or Suaeda maritima.
Only found in the coastal area.