| [the fleas of mammals from the ucayali river basin (the peruvian amazonia)]. | the material collected from 57 specimens of 9 mammalian species in two localities of the peruvian amazonia includes 212 specimens of fleas belonging to four species (polygenis klagesi, ropalopsyllus lugubris, rh. australis and rothschildopsylla noctilionis). this is the first record of fleas in the ucayali river basin. the majority of flea specimens were collected form three morphologically similar but karyotypically and electrophoretically distinct species of spiny rats of the genus proechimys. ... | 1996 | 8984440 |