Intertaxon relationships
species
Helconidea dentator (Fabricius, 1804)
Callidium aeneum aeneum (DeGeer, 1775) 
Callidium violaceum (Linnaeus, 1758) - Violet Longhorn
Cerambyx scopolii scopolii Füssli, 1775
Plagionotus arcuatus arcuatus (Linnaeus, 1758)
Tetropium castaneum (Linnaeus, 1758)
Tetropium fuscum (Fabricius, 1787) - Brown Spruce Longhorn Beetle