Hymenoptera: Cynipidae - gall wasp
Plagiotrochus quercusilicis Sexual generation galls on Quercus ilex, Evergreen Oak Hosts: Agamic generation forms galls in the twigs of Quercus coccifera, ilex Sexual generation galls young leaves of Quercus coccifera, ilex, rotundifolia. Galls can also form in the axis of male catkins First GB&I record was from Cornwall in 2004, now spreading throughout the southern half of England |
Plagiotrochus quercusilicis
Broadstone, Dorset. June 2018. Adult from gall collected at Durlston, June 2019