1. Laboratory of Veterinary Pathology (Blume, Reis Junior, Sant’Ana), University of Brasília, Brasília, Federal District, Brazil
2. Laboratory of Research in Wildlife Animals (Veríssimo Monteiro), University of Brasília, Brasília, Federal District, Brazil
3. Veterinary Pathology Service, Joint Pathology Center, Silver Spring, MD (Gardiner)
4. U.S. National Parasite Collection, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD (Hoberg, Pilitt)