Nosopsyllus (Nosopsyllus) spiniformis n. sp., a new ceratophyllid flea (Siphonaptera, Ceratophyllidae, Ceratophyllinae) from Trkiye.

A new ceratophyllid flea species, Nosopsyllus (Nosopsyllus) spiniformis n. sp., is described and illustrated. Specimens were collected from Gnthers vole, Microtus guentheri (Danford & Alston), Schidlovskys vole, Microtus schidlovskii Argyropulo, in Adana province, and stone marten, Martes foina (Erxleben), in Tokat province. With the new species, the number of Nosopsyllus taxa known from Trkiye now tallies 11 (six species and five subspecies).