Phytoptus hirtae Roivainen, 1950 Carex ligerica J. Gay (new host); 1) West Poland, Poznań, Ligowiec airfield, open space exposed to sunlight, in large aggregation; leg. W. Rakowski; 27. 06.2003; 44 specimens. 2) West Poland, Poznań, near the NE border of Milostowo cemetery, in shady pine grove; 24.06.03; leg. W. Rakowski; 8 specimens. Carex arenaria L. (new host) 1) North Poland, Wislana spit, Piaski (Nowa Karczma), open and sunny place—grey dune with scarce young pines, grassland on acid, base­poor soil; 20.08.2003; leg. W. Rakowski; 38 specimens. 2) Puszcza Notecka, Sieraków forest inspectorate, Gospodka forest district, 26.08.2003; leg. W. Rakowski; locality 1: large aggregation in open and sunny place, heathland within Leucobryo­Pinetum pinewood; 41 specimens; locality 2: large aggregation along forest road shaded by pine trees, 2 specimens. 3) West Poland, Sieraków, scarp near the border of pinewood, in the shaded place near pine and birch trees; 26.08.2003; leg. W. Rakowski; 21 specimens. Mites found as vagrants on upper leaf surfaces and also in sheaths. The species so far was recorded in Sweden, Hungary and Finland on Carex hirta L. (Roivainen 1950).

Published as part of Skoracka, Anna, Macuk, Lucyna & Rakowski, Wojciech, 2004, New eriophyoid mites (Acari: Eriophyoidea) from sedges in Poland and supplement description of Eriophyes lentiginosus Mitrofanov, Sharonov et Sekerskaja, 1983, pp. 1-15 in Zootaxa 446 on pages 7-8, DOI: 10.5281/zenodo.157646