Intertaxon relationships
species
Wych Elm
Ulmus glabra Huds.
Agrilus ruficollis (Fabricius, 1787)
Exocentrus punctipennis Mulsant & Guillebeau, 1856 
Leiopus femoratus Fairmaire, 1859
Nathrius brevipennis (Mulsant, 1839)
Oberea linearis (Linnaeus, 1761)
Orchestes alni (Linnaeus, 1758)
Orchestes betuleti (Panzer, 1795)