ENDOPARASITES OF BEAVER (CASTOR CANADENSIS) FROM KANSAS

A survey was conducted to determine the endoparasite fauna of Castor c anadensis populations in 3 counties in northeast and eastcentral Kansa s. During the 1990 trapping season, 63 skinned beaver carcasses were p rovided by local trappers for parasitological examination. Six species of parasites were found: 2 protozoans, Eimeria sprehni Yakimoff, 1934 , and E. causeyi Emst, Cooper, and Frydendall, 1970; 1 digene, Stichor chis subtriquetrus (Rudolphi, 1814); and 3 nematodes, Travassosius ame ricanus Chapin, 1925, Dracunculus sp., and Baylisascaris sp. This is t he first report of Dracunculus sp. and Baylisascaris sp. from North Am erican beavers.