Dr. Kassai Tibor - Dr. Murai Éva szerk.: Parasitologia Hungarica 10. (Budapest, 1977)

North America: QUENTIN (1971) Microtus gregalis murici, M. oeconomus operarus, M. o. macfarlani, M. pennsylvanicus alcorni, M. p. drummondi, M. p. pennsylvanicus; Mexico: QUENTIN (1971) M. mexicanus mexicanus; Norway: TENORA et al. (1977) C. glareolus, M. agrestis, M. oeconomus; England: SHARPE (1964) S. obvelata ? - M. agrestis; Belgium: BERNARD (1959) S. obvelata ? - M. arvalis; Fig. 5: Syphacia nigeriana Bay Iis, 1928 A) Anterior end of female, en face view - B) Tail of male, ventral view C) Tail of female, lateral view France: QUENTIN (1971) M. arvalis, Arvicola sapidus tenebricus, C. glareolus; German Federal Republic: STAMMER (1956) A sylvaticus? C. glareolus ?, M. arvalis, M. agrestis, P. subterraneus ? ; Poland: SOLTYS (1-949), FURMAGA (1957), POROSZ (1968) S. obvelata ? - A. agrárius ?, A sylvaticus ? , A flavicollis ? , M. arvalis ? , Mus musculus, C. glareolus ? , P. subterraneus? ;