Col:Curculionidae
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Orchestes signifer (Creutzer, 1799)
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initial mine
larva in mine
pupal disc

 

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 up, to the formation of the pupal disc (bottom photo).

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

Image:© Carina van Steenwinkel

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