Food Plant: Quercus (Oak), Corylus (Hazel)

Mine: Univoltine: early summer.

Pupa: Outside the mine in the cut out case

Notes: A gallery along the edge of the leaf (as shown) leading to a circular blotch, from which a case is cut leaving a round hole. (Formerly called Rhynchaenus (Orchestes) avellanae). The larva is yellow, with a dark head. The development of the mine, on Quercus robur, is shown.

Data: 11.v.2015, Prinsenpark-Retie, (Antwerpen), Belgium

Image:© Carina van Steenwinkel