Intertaxon relationships
subspecies
Rhamnusium bicolor bicolor (Schrank, 1781)
Aesculus hippocastanum L. - Horse-chestnut 
Castanea sativa Mill. - Sweet Chestnut
Fagus sylvatica L. - European Beech
Juglans regia L. - Walnut
Populus nigra L. - Black-poplar
Robinia pseudoacacia L. - Black Locust
Bracomorpha rector (Thunberg, 1822)