[Fleas of small mammals in St. Petersburg].

In the territory of St. Petersburg, 26 sites situated in areas with 4 types of forest vegetation, were examined. Fleas of 16 species were collected from small mammals belonging to 13 species. The flea Ctenophthalnius agyrtes was the most abundant species. Two types of flea communities can be distinguished, including communities of fleas of forests and forest parks and communities of fleas of urban parks and cemeteries.