Intertaxon relationships
Acalitus phloeocoptes (Nalepa, 1890)
[1]
Eriophyes propinquus Nalepa, 1926
[1]
Gymnosporangium sabinae (Dicks.) G. Winter - Juniper-pear Rust 
Erwinia amylovora (Burrill 1882) Winslow et al. 1920 - Fire Blight
Neocoenorrhinus pauxillus (Germar, 1823)
Rhynchites bacchus (Linnaeus, 1758)
Tatianaerhynchites aequatus (Linnaeus, 1767)
Links and literature
[1] Máca J. (2017): Neglected Eriophyoid Mites with Conspicuous Galls: Concealed Biodiversity, Živa 3/2017, 133 [as Cotoneaster]
Máca J. (2017): Neglected Eriophyoid Mites with Conspicuous Galls: Concealed Biodiversity, Živa 3/2017, 133 [as Cotoneaster]