Intertaxon relationships
species
Hazel
Corylus avellana L.
Monilinia fructigena Honey - Brown Rot of Fruit 
Aegomorphus clavipes (Schrank, 1781)
Aegosoma scabricorne (Scopoli, 1763)
Alosterna tabacicolor tabacicolor (DeGeer, 1775)
Anaesthetis testacea (Fabricius, 1781)
Anaglyptus gibbosus (Fabricius, 1787)
Anaglyptus mysticus (Linnaeus, 1758) - Rufous-shouldered Longhorn Beetle
Apoderus coryli (Linnaeus, 1758) - Hazel Leaf-roller Weevil
Byctiscus betulae (Linnaeus, 1758)
Caenorhinus megacephalus (Germar, 1823)
Caliroa annulipes (Klug, 1814)
Cerambyx scopolii Füssli, 1775 - Capricorn Beetle
Chlorophorus figuratus (Scopoli, 1763)
Chlorophorus glabromaculatus (Goeze, 1777) - Spotted Longicorn
Choragus horni Wolfrum, 1930
Clytus arietis arietis (Linnaeus, 1758)
Cryptocephalus coryli (Linnaeus, 1758)
Cryptocephalus loreyi Solier, 1837
Curculio nucum Linnaeus, 1758
Deporaus betulae (Linnaeus, 1758)
Drymochares truquii Mulsant, 1847
Exocentrus adspersus Mulsant, 1846
Exocentrus lusitanus (Linnaeus, 1767)
Gonotropis gibbosa LeConte, 1876
Gracilia minuta (Fabricius, 1781) - Basket Longhorn
Grammoptera ruficornis (Fabricius, 1781)
Grammoptera ustulata (Schaller, 1783)
Hemichroa crocea (Geoffroy in Fourcroy, 1785)
Judolia erratica (Dalman, 1817)
Lasiorhynchites praeustus (Boheman, 1845)
Ledra aurita (Linnaeus, 1758)
Leiopus linnei Wallin, Nylander & Kvamme, 2009
Leiopus nebulosus (Linnaeus, 1758)
Leptura aethiops Poda, 1761
Leptura annularis Fabricius, 1801
Leptura aurulenta Fabricius, 1793 - Hornet Beetle
Leptura quadrifasciata Linnaeus, 1758 - Four-banded Longhorn
Mesosa curculionoides (Linnaeus, 1761)
Mesosa nebulosa (Fabricius, 1781)
Nematus septentrionalis (Linnaeus, 1758)
Oberea linearis (Linnaeus, 1761)
Oplosia cinerea (Mulsant, 1839)
Otiorhynchus bisulcatus (Fabricius, 1781)
Oxymirus cursor (Linnaeus, 1758)
Paraclytus sexguttatus (Adams, 1817)
Paracorymbia maculicornis (DeGeer, 1775)
Phyllobius argentatus (Linnaeus, 1758) - Leaf Weevil
Phyllobius glaucus (Scopoli, 1763)
Phyllobius maculicornis Germar, 1823
Phyllobius pilicornis Desbrochers des Loges, 1872
Phyllobius pyri (Linnaeus, 1758)
Phymatodes alni alni (Linnaeus, 1767)
Phymatodes rufipes (Fabricius, 1776)
Phymatodes testaceus (Linnaeus, 1758) - Oak Longhorn
Platystomos albinus (Linnaeus, 1758)
Pogonocherus decoratus Fairmaire, 1855
Pogonocherus hispidulus (Piller & Mitterpacher, 1783) - Greater Thorn-tipped Longhorn Beetle
Pogonocherus hispidus (Linnaeus, 1758)
Pogonocherus ovatus (Goeze, 1777)
Polydrusus formosus (Mayer, 1779)
Polydrusus mollis (Strøm, 1768)
Polydrusus pilosus Gredler, 1866
Polydrusus thalassinus Gyllenhal, 1834
Prionus coriarius (Linnaeus, 1758) - Tanner
Purpuricenus kaehleri (Linnaeus, 1758)
Rhagium bifasciatum Fabricius, 1775
Ropalopus clavipes (Fabricius, 1775)
Ropalopus femoratus (Linnaeus, 1758)
Rutpela maculata (Poda, 1761) - Spotted Longhorn
Saperda scalaris scalaris (Linnaeus, 1758)
Saphanus piceus (Laicharting, 1784)
Stenopterus rufus (Linnaeus, 1767)
Stenostola dubia (Laicharting, 1784)
Stenurella melanura (Linnaeus, 1758)
Stenurella nigra (Linnaeus, 1758)
Stenurella septempunctata septempunctata (Fabricius, 1793)
Stictoleptura scutellata scutellata (Fabricius, 1781)
Strangalia attenuata (Linnaeus, 1758)
Stromatium auratum (Böber, 1793)
Trichoferus fasciculatus fasciculatus (Faldermann, 1837)
Trichoferus holosericeus (Rossi, 1790)
Ulorhinus bilineatus (Germar, 1819)
Xylosteus spinolae Frivaldszky, 1838
Xylotrechus arvicola (Olivier, 1795)
fungi
Lactarius pyrogalus (Bull.) Fr. - Fiery Milkcap