Aceria eximia Sukhareva 1983

Type host and locality. Calamagrostis epigeios (L.) Roth, Russia, Belgerod Province.

Distribution. England (recorded here), Hungary (Skoracka 2005), Poland (Skoracka et al. 2005) and Russia (op. cit.).

Relation to host. Refuge seeking between the leaf sheaths encircling the stem, and causing no apparent damage.

Collection details. England, North Yorkshire, York, Sand Hutton (54° 0ʹ 56.52ʺ N, 0° 58ʹ 9.48ʺ W), low numbers on C. epigeios, collected by the author, 15.ix.2009.