1986
|  1987
| 1988
| 1989
| 1990
| 1991
| 1992
| 1993
| 1994
| |
Maps links in this table are organized by year and species. Two letter abbreviations represent species names.
| 1986
| 1987
| 1988
| 1989
| 1990
| 1991
| 1992
| 1993
| 1994
| |
Data depicted based on "Ectoparasite Collection Reports"
from the U.S. Department of Agriculture, Animal, and Plant Health
Inspection Service / Veterinary Services
(TAHC).
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