Andricus corruptrix Hymenoptera: Cynipidae - gall wasp
Andricus corruptrix

Agamic generation - photographs on Quercus, Oak

Hosts:
Agamic generation on Quercus petraea, pubescens, robur
Sexual generation on Quercus cerris

Agamic - a usually terminal hard, woody, thin-walled gall with up to 5 weakly rounded lobes. Mature galls have a slightly pointed tip

Sexual - smooth bud gall 2-2.5mm with pointed tip, very thin-walled with the lower half hidden by bud scales. Sexual galls of A.lignicolous, corruptrix, kollari are very difficult to separate, adults need rearing


Andricus corruptrix
Andricus corruptrix
Broadstone, Dorset. September 2017

All images used are copyright. Please contact me if you find errors.