Author Affiliations +
JOHN V. ERNST,1 T. BONNER STEWART,2 J. ROBERT SAMPSON,3 G. TRUMAN FINCHER2
1Regional Parasite Research Laboratory, Animal Disease and Parasite Research Division, ARS, USD A, Auburn, Alabama 36830
2Animal Parasite Laboratory, Animal Disease and Parasite Research Division, ARS, USD A, Tifton, Georgia 31794
3Department of Zoology, Utah State University, Logan, Utah 84321