Description of a new flea species of the genus Ctenophthalmus Kolenati (Siphonaptera: Ctenophthalmidae) from Turkey.

A new ctenophthalmid flea species, Ctenophthalmus (Ctenophthalmus) yesarii n. sp., is described and illustrated. This new species belonging to the fransmiti group is most closely related to Ctenophthalmus (Ctenophthalmus) fransmiti Suciu. Specimens of Ct. yesarii n. sp. were collected from the eastern broad-toothed field mouse, Apodemus mystacinus (Danford & Alston), in Balıkesir (Edremit district) province of Turkey. The number of Ctenophthalmus taxa known from Turkey now tallies 41 taxa (27 species and 14 subspecies).