Microtus evoronensis Kovalskaya and Sokolov, 1980 . Zool. Zh„ 59(9):1410.
TYPE LOCALITY: U.S. S. R., Khabarovsk. Krai, Lake Evoron basin, Devyatka River .
DISTRIBUTION: Known only from the type locality. Probably more widely distributed in Khabarovsk. Krai (U.S. S.R.).
COMMENT: Provisionally placed in the subgenus Microtus (RSH, pers. comm, from V. G. Orlov). Considered a distinct species by Kovalskaya and Sokolov, 1980, Zool. Zh., 59(9): 1409-1416, based on chromosomal differences and hybrid sterility in crosses with maximowiczii .