Roivainen 1950:17,18; fig. 11 Chetverikov 2014: 144,152
Living inside the leaf sheaths of Carex scita var. riishirensis (Franch.) Kük. 1909, collected from RUSSIA: Kamchatka Peninsula, Mil’kovsky District, 1 km east to settlement Atlasovo near Tolbachik volcanic complex, 21 August 2006, coll. P.G. Efimov, slides #K- 3 -06/ 1, #K- 3 -06/ 2 and #K- 8 -06/ 2, all stages numerous.