Curculio villosus Fabricius, 1781

on Quercus

Quercus robur, Belgium, prov. Antwerp, Laakdal, de Roost, 1.vi.2020 © Carina Van Steenwinkel: opened old gall of Biorrhiza pallida: the head of the inquiline is just visible

larve

larva outside the gall

gall

Inquiline in the galls of the sexual generation of Biorhiza pallida. The wasp larva perishes because of food competition. The larvae are curved and have no feet, but a chitinised head capsule. Pupation in the soil; univoltine.

references

Braunert (2017a), Dauphin & Aniotsbehere (1997a), Delbol (2013a), Dieckmann (1988a), Heijerman & Tuinstra (2014a), Lechapt (2015a), le Monnier (2002a), Rheinheimer & Hassler (2010a), Talamelli (1997a).