Cestoda, Bothriocephalidae, Bothriocephalus acheilognathi Yamaguti, 1934; Nematoda, Rhabdochonidae, Rhabdochona canadensis Moravec and Arai, 1971: New records for the state of Puebla, Mexico, and a new fish host.

In order to contribute to the knowledge on helminth parasites of freshwater fishes in Mexico, the helminth faunaof the cyprinid fish Notropis moralesi was studied. The helminth species Bothriocephalus acheilognathi and Rhabdochonacanadensis were recovered from 20 examined hosts. Values of prevalence, abundance and mean intensity of each infectionare provided. Present work represents the first helminthological study for N. moralesi. Therefore, both helminth speciesrecorded are new host records. This is the second report of B. acheilognathi and the first of R. canadensis for the state ofPuebla.