Last modified: Dec. 23, 2024, noon
A very rare and local species in Belgium.
Native
The larvae live in a tri-valved tubular silken case of 8 mm long, with a mouth angle of 25°–30°.
The case is pale brown. It has also a double dorsal keel.
See also bladmineerders.be.
The white blotches on the leaves are easily spotted.
The larvae are full-grown around May.
Pupation takes place at ground level on the stem of the host plant.
The adults fly in one generation a year from late May till July.
Stellaria holostea is the most common food plant in Belgium.