Andricus hedwigia (Küstenmacher, 1894)
Hymenoptera, Cynipidae
on Quercus
gall
The gall derives from a dormant bud on a stem or thick branch, generally just above the ground. The c. 8 mm large gall, on a stalk of 1 mm, bears spines giving it the resemblance of a young horse chestnut fruit. Inside a single larva or pupa.
hostplants
Fagceae, monophagous
Quercus robur.
references
Buhr (1965a).
18/06/2014