Gracillariidae

15.011 Dark Alder Stilt Caloptilia falconipennella (Hübner, [1813])

Notable B

Similar species:

Forewing: 5.5 to 7mm

Habitats: Fens, marshes and river-banks.

Habits:

Foodplant: At first the larva mines an oval blotch on the underside of the leaf margin of Alder or occasionally Italian Alder or Grey Alder. It later lives in a succession of three small folds on the leaf margin. It pupates in a silk cocoon under a partly folded leaf edge.