Intertaxon relationships
species
Exocentrus adspersus Mulsant, 1846
Opilo pallidus (Olivier, 1795) 
Carpinus betulus L. - European Hornbeam
Castanea sativa Mill. - Sweet Chestnut
Corylus avellana L. - Hazel
Fagus sylvatica L. - European Beech
Ostrya carpinifolia Scop. - European Hop Hornbeam
Quercus robur L. - Pedunculate Oak
Blacus errans (Nees, 1812)
Calosota vernalis Curtis, 1836
Eusandalum inerme (Ratzeburg, 1848)