Andricus solitarius Hymenoptera: Cynipidae - gall wasp
Andricus solitarius

Agamic generation - photographs on Quercus, Oak

Hosts:
Agamic and sexual generations on Q. petraea, pubescens, pyrenaica, robur

Agamic - elongate bud gall, the tip 2-3mm long and slightly curved. Initially covered with red / gold hairs, becoming smooth. No inner gall chamber

Sexual - develops in immature catkins. Gall less than 3mm with two length ridges, thin-walled, smooth or slightly hairy with longer hairs at base


Andricus solitarius

Andricus solitarius
Andricus solitarius
Corfe Mullen, Dorset. October 2017

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