Andricus aries, Ram's-horn Gall Hymenoptera: Cynipidae - gall wasp
Andricus aries
Ram's-horn Gall


Agamic generation (Rams-horn Gall) - photographs on Quercus, Oak

Hosts:
Agamic generation on Quercus petraea, pubescens, robur
Only has an agamic generation in NW Europe
Galls very variable owing to distortion by iniquilines and parasitoids.


Originally from SE Central Europe, widespread in NW Europe since the start of the 21th century


Andricus aries, Ram's-horn Gall

Andricus aries, Ram's-horn Gall

Andricus aries, Ram's-horn Gall

Andricus aries, Ram's-horn Gall

Andricus aries, Ram's-horn Gall
Andricus aries, Ram's-horn Gall
Upton Heath, Dorset. August 2017

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