Intertaxon relationships
Aceria kiefferi (Nalepa, 1891)
[1]
consumer (larval stage only)
Pseudocleonus cinereus (Schrank, 1781) 
Links and literature
[1] Máca J. (2017): Neglected Eriophyoid Mites with Conspicuous Galls: Concealed Biodiversity, Živa 3/2017, 133 [as Achillea]
Máca J. (2017): Neglected Eriophyoid Mites with Conspicuous Galls: Concealed Biodiversity, Živa 3/2017, 133 [as Achillea]