Betula sp.
Selection criteria. Country: any country. Associated organism: Pleomassaria siparia (distribution map)
Number of records. 5.
Date information. 28 June 1946 (Jun).
Countries. British Isles, Czech Republic, Russia, Ukraine.
Literature. Cannon, Hawksworth & Sherwood-Pike (1985); Stepanova (1973) page(s) 389, 390.