Intertaxon relationships
Aculops crataegumplicans (Cotte, 1910)
[1]
Eriophyes calycobius (Nalepa, 1891)
[1]
Phenacoccus aceris (Signoret, 1875) - Apple Mealybug
Phyllocoptes goniothorax (Nalepa, 1889)
[1]
Gymnosporangium sabinae (Dicks.) G. Winter - Juniper-pear Rust 
Erwinia amylovora (Burrill 1882) Winslow et al. 1920 - Fire Blight
Anthonomus bituberculatus C.G. Thomson, 1868
Anthonomus pedicularius (Linnaeus, 1758)
Anthonomus sorbi Germar, 1821
Anthonomus spilotus L. Redtenbacher, 1847
Colotois pennaria (Linnaeus, 1761) - Feathered Thorn
Gonotropis dorsalis (Gyllenhal, 1813)
Involvulus cupreus (Linnaeus, 1758)
Involvulus icosandriae (Scopoli, 1763)
Magdalis barbicornis (Latreille, 1804)
Neocoenorrhinus pauxillus (Germar, 1823)
Polydrusus pilosus Gredler, 1866
Rhaphitropis oxyacanthae (C. N. F. Brisout de Barneville, 1863)
Rhynchites auratus (Scopoli, 1763)
Rhynchites giganteus Krynicki, 1832
Tatianaerhynchites aequatus (Linnaeus, 1767)
Xylotrechus arvicola (Olivier, 1795)
consumer (larval stage only)
Marumba gaschkewitschii carstanjeni (Staudinger, 1887)
Links and literature
[1] Máca J. (2017): Neglected Eriophyoid Mites with Conspicuous Galls: Concealed Biodiversity, Živa 3/2017, 133 [as Crataegus]
Máca J. (2017): Neglected Eriophyoid Mites with Conspicuous Galls: Concealed Biodiversity, Živa 3/2017, 133 [as Crataegus]