Nine species of fleas representing 4 families were collected in 1972 form 14 species of small mammals: 2 hedgehogs, 1 shrew, 2 bats, 8 rodents and 1 mongoose. Most specimens were from 7 localities in Karachi District. Xenopsylla astis accounted for 78% of the 404 fleas collected. Collection data, especially flea-mammal associations and locality records, are presented and discussed.
