Last modified: Dec. 15, 2023, 4:52 p.m.
A fairly common species in Belgium.
Native
The larva first lives in a small, hard to observe gallery at the underside of the leaf which is later enlarged into a small, transparant blotch mine.
At first in a small transparant blotch mine at the underside of the leaf in which the frass is concentrated at one side of the mine. The full-grown instar turns the tip of a leaf into a roll.
See also gracillariidae.net and bladmineerders.be.
A whitish silken cocoon.
At first a small gallery, then a whithish blotch and later on a leaf roll, made by cutting part of a leaf and rolling that part up and spinning it to the leaf.
Pupation takes place in the leaf roll where the larva first spins a whitish silken cocoon.
The species hibernates in the adult stage. The adults come to light.
The moths fly from August till early June in one generation per year.
The larvae feed on: Polygonum, Rumex or Lysimachia. Also other plants can be chosen but much less frequently.
The species prefers rather wet habitats where the foodplants grow, like meadows, river banks, etc.